Dayforce (DAY) 10-K1 Mar 232022 FY Annual reportFinancial data

Company Profile

Document and Entity Information

Document and Entity Information - USD ($) $ in Millions	12 Months Ended
Document and Entity Information - USD ($) $ in Millions	Dec. 31, 2022	Feb. 20, 2023	Jun. 30, 2022
Cover [Abstract]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 31, 2022
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	FY
Entity Registrant Name	Ceridian HCM Holding Inc.
Entity Central Index Key	0001725057
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	Yes
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		154,106,560
Entity Public Float			$ 7,084.4
Entity File Number	001-38467
Entity Tax Identification Number	46-3231686
Entity Address Address Line1	3311 East Old Shakopee Road
Entity Address City Or Town	Minneapolis
Entity Address State Or Province	MN
Entity Address Postal Zip Code	55425
City Area Code	952
Local Phone Number	853-8100
Entity Interactive Data Current	Yes
Entity Incorporation State Country Code	DE
Document Annual Report	true
Document Transition Report	false
ICFR Auditor Attestation Flag	true
Title of 12(b) Security	Common Stock, $.01 par value
Trading Symbol	CDAY
Security Exchange Name	NYSE
Documents Incorporated by Reference	Portions of the Registrant’s Definitive Proxy Statement relating to the 2023 Annual Meeting of Stockholders, scheduled to be held on April 28, 2023, are incorporated by reference into Part III of this Form 10-K.
Auditor Name	KPMG LLP
Auditor Firm ID	185
Auditor Location	Minneapolis, MN

Consolidated Balance Sheets

Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and equivalents	$ 431.9	$ 367.5
Restricted cash	0.8	1.9
Trade and other receivables, net	180.1	146.3
Prepaid expenses and other current assets	98	92.6
Total current assets before customer funds	710.8	608.3
Customer funds	4,183.2	3,535.8
Total current assets	4,894	4,144.1
Right of use lease asset	24.3	29.4
Property, plant, and equipment, net	174.9	128.2
Goodwill	2,280	2,323.6
Other intangible assets, net	281.6	332.5
Other assets	262.4	208.4
Total assets	7,917.2	7,166.2
Current liabilities:
Current portion of long-term debt	7.8	8.3
Current portion of long-term lease liabilities	10	11.3
Accounts payable	54.3	51.7
Deferred revenue	41.2	48.7
Employee compensation and benefits	97.4	77.3
Other accrued expenses	24	24.7
Total current liabilities before customer funds obligations	234.7	222
Customer funds obligations	4,298.8	3,519.9
Total current liabilities	4,533.5	3,741.9
Long-term debt, less current portion	1,213.4	1,124.4
Employee benefit plans	17.7	20.7
Long-term lease liabilities, less current portion	23.7	32.7
Other liabilities	19.5	19
Total liabilities	5,807.8	4,938.7
Commitments and contingencies (Note 16)
Stockholders’ equity:
Common stock, $0.01 par, 500,000,000 shares authorized, 153,856,645 and 151,995,031 shares issued and outstanding, respectively	1.5	1.5
Additional paid in capital	2,965.5	2,860
Accumulated deficit	(372.6)	(309.2)
Accumulated other comprehensive loss	(485)	(324.8)
Total stockholders’ equity	2,109.4	2,227.5
Total liabilities and equity	$ 7,917.2	$ 7,166.2

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Common Stock, par value	$ 0.01	$ 0.01
Common Stock, shares authorized	500,000,000	500,000,000
Common Stock, shares issued	153,856,645	151,995,031
Common Stock, shares outstanding	153,856,645	151,995,031

Consolidated Statements of Oper

Consolidated Statements of Operations - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenue:
Total revenue	$ 1,246.2	$ 1,024.2	$ 842.5
Cost of revenue:
Recurring	309.4	262.4	213.3
Professional services and other	238.7	194.6	163.7
Product development and management	169.9	134	83.7
Depreciation and amortization	55	50.9	40.5
Total cost of revenue	773	641.9	501.2
Gross profit	473.2	382.3	341.3
Selling, general and administrative	499	417.8	333.5
Operating (loss) profit	(25.8)	(35.5)	7.8
Interest expense, net	28.6	35.9	25.1
Other expense, net	8.5	18.9	2.7
Loss before income taxes	(62.9)	(90.3)	(20)
Income tax expense (benefit)	10.5	(14.9)	(16)
Net loss	$ (73.4)	$ (75.4)	$ (4)
Net loss per share:
Basic	$ (0.48)	$ (0.50)	$ (0.03)
Diluted	$ (0.48)	$ (0.50)	$ (0.03)
Weighted-average shares outstanding:
Basic	152,940,299	150,402,321	146,774,471
Diluted	152,940,299	150,402,321	146,774,471
Recurring [Member]
Revenue:
Total revenue	$ 1,047.6	$ 850.7	$ 690.2
Professional Services and Other [Member]
Revenue:
Total revenue	$ 198.6	$ 173.5	$ 152.3

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net loss		$ (73.4)	$ (75.4)	$ (4)
Items of other comprehensive (loss) income before income taxes:
Change in foreign currency translation adjustment		(56.7)	(17.6)	18.7
Change in unrealized (loss) gain from invested customer funds		(134.6)	(48.4)	38.4
Change in pension liability adjustment	[1]	(5.8)	6	21.2
Other comprehensive (loss) income before income taxes		(197.1)	(60)	78.3
Income tax (benefit) expense, net		(36.9)	(11.2)	15.9
Other comprehensive (loss) income after income taxes		(160.2)	(48.8)	62.4
Comprehensive (loss) income		$ (233.6)	$ (124.2)	$ 58.4

[1] The amount of the pension liability adjustment recognized in the consolidated statements of operations within other expense, net was $ 11.7 million, $ 15.1 million, and $ 13.2 million during the years ended December 31, 2022, 2021, and 2020 , respectively.

Consolidated Statements of Co_2

Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Other Expense, Net [Member]
Pension liability adjustment	$ 11.7	$ 15.1	$ 13.2

Consolidated Statements of Stoc

Consolidated Statements of Stockholders' Equity - USD ($) $ in Millions	Total	Cumulative Effect, Period of Adoption, Adjustment [Member]	Common Stock [Member]	Additional Paid In Capital [Member]	Additional Paid In Capital [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Accumulated Deficit [Member]	Accumulated Deficit [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Accumulated Other Comprehensive Loss [Member]
Beginning balance at Dec. 31, 2019	$ 1,882.3		$ 1.4	$ 2,449.1		$ (229.8)		$ (338.4)
Balance, shares at Dec. 31, 2019			144,386,618
Net loss	(4)					(4)
Issuance of common stock under share-based compensation plans	91.7		$ 0.1	91.6
Issuance of common stock under share-based compensation plans, shares			4,184,794
Share-based compensation	65.8			65.8
Foreign currency translation	18.7							18.7
Change in unrealized (loss) gain, net of tax	28.2							28.2
Change in pension liability adjustment, net of tax	15.5							15.5
Ending balance at Dec. 31, 2020	2,098.2		$ 1.5	2,606.5		(233.8)		(276)
Balance, shares at Dec. 31, 2020			148,571,412
Net loss	(75.4)					(75.4)
Issuance of common stock under share-based compensation plans	95.4			95.4
Issuance of common stock under share-based compensation plans, shares			3,423,619
Share-based compensation	113.4			113.4
Foreign currency translation	(17.6)							(17.6)
Change in unrealized (loss) gain, net of tax	(35.6)							(35.6)
Change in pension liability adjustment, net of tax	4.4							4.4
Equity component of convertible senior notes	77.7			77.7
Purchase of capped calls related to convertible senior notes	(33)			(33)
Ending balance at Dec. 31, 2021	$ 2,227.5	$ (67.7)	$ 1.5	2,860	$ (77.7)	(309.2)	$ 10	(324.8)
Balance, shares at Dec. 31, 2021			151,995,031
Accounting Standards Update [Extensible List]	ASU 2020-06 [Member]
Net loss	$ (73.4)					(73.4)
Issuance of common stock under share-based compensation plans	38.4			38.4
Issuance of common stock under share-based compensation plans, shares			1,861,614
Share-based compensation	144.8			144.8
Foreign currency translation	(56.7)							(56.7)
Change in unrealized (loss) gain, net of tax	(99.2)							(99.2)
Change in pension liability adjustment, net of tax	(4.3)							(4.3)
Ending balance at Dec. 31, 2022	$ 2,109.4		$ 1.5	$ 2,965.5		$ (372.6)		$ (485)
Balance, shares at Dec. 31, 2022			153,856,645

Consolidated Statements of St_2

Consolidated Statements of Stockholders' Equity (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Stockholders' Equity [Abstract]
Change in unrealized (loss) gain, tax	$ 35.4	$ (12.8)	$ 10.2
Change in pension liability adjustment, tax	$ 1.5	$ 1.6	$ 5.7

Consolidated Statements of Cash

Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Cash Flows [Abstract]
Net loss	$ (73.4)	$ (75.4)	$ (4)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Deferred income tax benefit	(1.7)	(38.5)	(7)
Depreciation and amortization	89	77.5	51.8
Amortization of debt issuance costs and debt discount	4.6	16.9	1.2
Provision for doubtful accounts	2.2	1.8	2
Net periodic pension and postretirement cost	4.8	8.8	3.3
Share-based compensation	144.8	113.4	65.8
Change in fair value of contingent consideration	4.6	0.6
Gain on sale of assets		(19.1)
Lease abandonment costs		2.9	16.8
Other	(0.2)	0.9	1
Changes in operating assets and liabilities excluding effects of acquisitions and divestitures:
Trade and other receivables	(39.5)	(34.8)	(12)
Prepaid expenses and other current assets	(11.4)	(12.3)	(6.8)
Accounts payable and other accrued expenses	(0.2)	9.3	(1.4)
Deferred revenue	(5.6)	5.5	(1.2)
Employee compensation and benefits	21.2	2.3	(104)
Accrued interest	0.2	0.4
Accrued taxes	7.5	0.4	(3.7)
Other assets and liabilities	(14.3)	(11.8)	(32)
Net cash provided by (used in) operating activities	132.6	48.8	(30.2)
Cash Flows from Investing Activities
Purchase of customer funds marketable securities	(652.8)	(763.8)	(212.4)
Proceeds from sale and maturity of customer funds marketable securities	404.8	488	369.3
Expenditures for property, plant, and equipment	(20.2)	(11.5)	(18.1)
Expenditures for software and technology	(74.3)	(52.2)	(41.7)
Net proceeds from sale of assets		37.9
Acquisition costs, net of cash and restricted cash acquired		(409.5)	(58.3)
Net cash (used in) provided by investing activities	(342.5)	(711.1)	38.8
Cash Flows from Financing Activities
Increase (decrease) in customer funds obligations, net	840.1	(195.7)	483.6
Proceeds from issuance of common stock under share-based compensation plans	38.4	95.4	91.7
Repayment of long-term debt obligations	(8.4)	(7.8)	(10)
Proceeds from revolving credit facility		295	295
Repayment of revolving credit facility		(295)	(295)
Proceeds from issuance of convertible senior notes, net of issuance costs		561.8
Purchase of capped calls related to convertible senior notes		(45)
Payment of debt refinancing costs		(1.2)
Net cash provided by financing activities	870.1	407.5	565.3
Effect of exchange rate changes on cash, restricted cash, and equivalents	(8.1)	(20.9)	(4)
Net (decrease) increase in cash and equivalents	652.1	(275.7)	569.9
Cash, restricted cash, and equivalents at beginning of period	1,952.8	2,228.5	1,658.6
Cash, restricted cash, and equivalents at end of period	2,604.9	1,952.8	2,228.5
Reconciliation of cash, restricted cash, and equivalents to the consolidated balance sheets
Cash and equivalents	431.9	367.5	188.2
Restricted cash	0.8	1.9
Restricted cash and equivalents included in customer funds	2,172.2	1,583.4	2,040.3
Cash, restricted cash, and equivalents at end of period	2,604.9	1,952.8	2,228.5
Supplemental Cash Flow Information:
Cash paid for interest	30.1	19.1	26.7
Cash paid for income taxes	17.6	33.4	4.2
Cash received from income tax refunds	$ 8	$ 3.3	$ 9.6

Organization

Organization	12 Months Ended
Organization	Dec. 31, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization	1. Organization Ceridian HCM Holding Inc. and its subsidiaries (also referred to in this report as “Ceridian,” “we,” “our,” and “us”) offer a broad range of services and software designed to help employers more effectively manage employment processes, such as payroll, payroll-related tax filing, human resource information systems, employee self-service, time and labor management, and recruitment and applicant screening. Our technology-based services are typically provided through long-term customer relationships that result in a high level of recurring revenue. While we operate in 18 countries globally, our operations are primarily located in the United States and Canada.

Summary of Significant Accounti

Summary of Significant Accounting Policies	12 Months Ended
Summary of Significant Accounting Policies	Dec. 31, 2022
Accounting Policies [Abstract]
Summary of Significant Accounting Policies	2. Summary of Signif icant Accounting Policies Basis of Presentation The accompanying consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States (“GAAP”). The accompanying consolidated financial statements include the operations and accounts of Ceridian and all subsidiaries, as well as any variable interest entity (“VIE”) in which we have controlling financial interest. All intercompany balances and transactions have been eliminated from our consolidated financial statements. We consolidate the grantor trusts that hold funds provided by our payroll and tax filing customers pending remittance to employees of those customers or tax authorities in the United States and Canada, although Ceridian does not own the grantor trusts. Under consolidation accounting, the enterprise with a controlling financial interest consolidates a VIE. A controlling financial interest in an entity is determined through analysis that identifies the primary beneficiary which has (1) the power to direct the activities of a VIE that most significantly impact the entity’s economic performance and (2) the obligation to absorb losses of the entity that could potentially be significant to the VIE or the right to receive benefits from the entity that could potentially be significant to the VIE. In addition, ongoing reassessments must be performed to confirm whether an enterprise is the primary beneficiary of a VIE. The grantor trusts are VIEs, and we are deemed to have a controlling financial interest as the primary beneficiary. Please refer to Note 5, “Customer Funds,” for further information on our accounting for these funds. Use of Estimates The preparation of consolidated financial statements in conformity with GAAP requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of our financial statements and our reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Estimates that could significantly affect our results of operations or financial condition include the assignment of fair values to goodwill and other intangible assets and testing for impairment; the testing of impairment of long-lived assets; the determination of our liability for pensions and postretirement benefits; the determination of fair value of equity awards granted; and the resolution of tax matters and legal contingencies. Further discussion on these estimates can be found in related disclosures elsewhere in our notes to the consolidated financial statements. Cash and Equivalents As of December 31, 2022 and 2021 , cash and equivalents were comprised of cash held in bank accounts and investments with an original maturity of three months or less. Concentrations Cash deposits of client and corporate funds are maintained primarily in large credit-worthy financial institutions in the countries in which we operate. These deposits may exceed the amount of any deposit insurance that may be available through government agencies. All deliverable securities are held in custody with large credit-worthy financial institutions, which bear the risk of custodial loss. Non-deliverable securities, primarily money market securities, are held in custody by large, credit-worthy broker-dealers and financial institutions. Trade and Other Receivables, Net Trade and other receivables balances are presented on the consolidated balance sheets net of the allowance for doubtful accounts and the reserve for sales adjustments. We experience credit losses on accounts receivable and, accordingly, must make estimates related to the ultimate collection of the receivables. Specifically, management analyzes accounts receivable, historical bad debt experience, customer concentrations, customer creditworthiness, and current economic trends when evaluating the adequacy of the allowance for doubtful accounts. We estimate the reserve for sales adjustment based on historical sales adjustment experience. We write off accounts receivable when we determine that the accounts are uncollectible, generally upon customer bankruptcy or the customer’s nonresponse to continued collection efforts. Property, Plant, and Equipment, Net Our property, plant, and equipment assets are stated at cost less accumulated depreciation. Depreciation is calculated on a straight-line basis over the shorter of the remaining lease term or estimated useful life of the related assets, which are generally as follows: Building improvements 5 years Machinery and equipment 4 - 6 years Computer equipment 3 - 4 years Repairs and maintenance costs are expensed as incurred. We capitalized interest of $ 0.8 million and $ 0.4 million in property, plant, and equipment, net during the years ended December 31, 2022 and 2021, respectively. Property, plant, and equipment assets are assessed for impairment as described under the heading “ Impairment of Long-Lived Assets ” below. Business Combinations In accordance with Accounting Standards Codification (“ASC”) Topic 805, Business Combinations, we use the acquisition method of accounting and allocate the fair value of purchase consideration to the assets acquired and liabilities assumed based on their respective estimated fair values as of the acquisition date. Goodwill represents the excess of purchase consideration transferred over the estimated fair value of the identifiable net assets acquired in a business combination. Assigning estimated fair values to the net assets acquired requires the use of significant estimates, judgments, inputs, and assumptions regarding the fair value of the assets acquired and liabilities assumed. Estimated fair values of assets acquired and liabilities assumed are generally based on available historical information, independent valuations or appraisals, future expectations, and assumptions determined to be reasonable but are inherently uncertain with respect to future events, including economic conditions, competition, the useful life of the acquired assets, and other factors. The measurement period for assigning fair values to the net assets acquired will end when the information, or the facts and circumstances, becomes available, but will not exceed one year from the date of acquisition. The judgments made in determining the estimated fair value assigned to assets acquired and liabilities assumed, as well as the estimated useful life and depreciation or amortization method of each asset, can materially impact the net earnings of the periods subsequent to the acquisition through depreciation and amortization, and in certain instances through impairment charges, if the asset becomes impaired in the future. During the measurement period, any purchase price allocation changes that impact the carrying value of goodwill affects any measurement of goodwill impairment taken during the measurement period, if applicable. If necessary, purchase price allocation revisions that occur outside of the measurement period are recorded within our consolidated statement of operations depending on the nature of the adjustment. Refer to Note 3, “Business Combinations” , for additional information regarding our accounting for recent business combinations. Goodwill and Intangible Assets Goodwill, which represents the excess purchase price over the fair value of net assets of businesses acquired, is assigned to reporting units based on the benefits derived from the acquisition. Goodwill and indefinite-lived intangible assets, which consist of trade names, are not amortized against earnings, but instead are tested for impairment on an annual basis, or more frequently if certain events or circumstances occur that could indicate impairment. We perform our annual assessment of goodwill and indefinite-lived intangible assets as of October 1. We assess goodwill impairment risk by comparing the fair value of the net assets with the carrying amount of the reporting unit. We determine the fair value of the reporting unit based on our market capitalization at the testing date. If the carrying amount of the goodwill exceeds the fair value of the reporting unit, goodwill may be impaired. To the extent that the carrying amount of the reporting unit exceeds the fair value of the reporting unit, an impairment loss is recognized. We assess indefinite-lived intangible assets impairment by performing a qualitative review. If the qualitative assessment indicates it is more likely than not the fair value of an indefinite-lived intangible asset is less than the carrying amount, a quantitative test is applied and, the carrying amount is compared to its estimated fair value. The estimate of fair value is based on a relief from royalty method which calculates the cost savings associated with owning rather than licensing the trade name. An estimated royalty rate is applied to forecasted revenue and the resulting cash flows are discounted. Definite-lived assets are assessed for impairment as described under the heading “Impairment of Long-Lived Assets” below. Intangible assets represent amounts assigned to specifically identifiable intangible assets at the time of an acquisition. Definite-lived assets are amortized on a straight-line basis generally over the following periods: Customer lists and relationships 4 - 12 years Trade name 3 - 5 years Technology 3 - 5 years Internally Devel oped Software Costs In accordance with ASC Topic 350, we capitalize costs associated with software developed or obtained for internal use when both the preliminary project stage is completed and our management has authorized further funding for the project, which it deems probable of completion. Capitalized software costs include only: (1) external direct costs of materials and services consumed in developing or obtaining the software; (2) payroll and payroll-related costs for employees who are directly associated with and who devote time to the project; and (3) interest costs incurred while developing the software. Capitalization of these costs ceases no later than the point at which the project is substantially complete and ready for its intended purpose. We do not include general and administrative costs and overhead costs in capitalizable costs. Research and development costs, product management, and other software maintenance costs related to software development are expensed as incurred. We had capitalized software costs, net of accumulated amortization, of $ 133.4 million and $ 92.8 million as of December 31, 2022, and 2021 , respectively, included in property, plant, and equipment, net in the accompanying consolidated balance sheets. We amortize software costs on a straight-line basis over the expected life of the software, generally a range of two to seven years . Amortization of software costs totaled $ 43.5 million, $ 37.0 million, and $ 30.6 million for the years ended December 31, 2022, 2021, and 2020 , respectively. Impairm ent of Long-Lived Assets Long-lived assets, such as property, plant, and equipment, capitalized software, and definite-lived intangible assets are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset group may not be recoverable. Recoverability of asset groups to be held and used is measured by a comparison of the carrying amount of an asset group to the estimated undiscounted future cash flows expected to be generated by the asset group. If the carrying amount of an asset group exceeds its estimated future cash flows, an impairment charge is recognized for the amount by which the carrying amount of the asset group exceeds the fair value of the asset group. Deferred Costs Deferred costs primarily consist of deferred sales commissions. Sales commissions paid based on the annual contract value of a signed customer contract are considered incremental and recoverable costs of obtaining a contract with a customer. Sales commissions paid based on the annual contract value are deferred and then amortized on a straight-line basis over a period of benefit. As of December 1, 2022, we increased the expected period of benefit of our deferred sales commissions from five years to ten years . This change in accounting estimate and related customer period of benefit is largely attributable to new evidence of longer customer relationships such as increases in the proportion of new customer contracts greater than three years as well as our continued high customer retention rates. The change was made on a prospective basis. The effect of this change reduced amortization expense by $ 3.2 million for the twelve months ended December 31, 2022. The change in estimate will also impact future periods, with an estimated reduction to amortization expense in the range of $ 35 million to $ 37 million for the twelve months ended December 31, 2023. Deferred costs included within Other assets on our consolidated balance sheets were $ 151.2 million and $ 144.5 million as of December 31, 2022 and 2021 , respectively. Amortization expense for the deferred costs was $ 48.9 million, $ 46.4 million, and $ 38.8 million for the years ended December 31, 2022, 2021, and 2020 , respectively. Revenue Recognition The core principle of ASC Topic 606 is that revenue is recognized upon transfer of control of promised products or services to customers in an amount that reflects the consideration we expect to receive in exchange for those products or services. In accordance with ASC Topic 606, we perform the following steps to determine revenue to be recognized: 1) Identify the contract(s) with a customer; 2) Identify the performance obligations in the contract; 3) Determine the transaction price; 4) Allocate the transaction price to the performance obligations in the contract; and 5) Recognize revenue when (or as) we satisfy a performance obligation. The significant majority of our two major revenue sources (recurring and professional services and other) are derived from contracts with customers. Recurring revenues are primarily related to our Cloud subscription performance obligations. Professional services and other revenues are primarily related to professional services for our Cloud customers (including implementation services to activate new accounts, as well as post go-live professional services typically billed on a time and materials basis) and, to a much lesser extent, fees for other non-recurring services, including sales of time clocks and certain client reimbursable out-of-pocket expenses. Fees charged to Cloud subscription performance obligations are generally priced either on a per-employee, per-month (“PEPM”) basis for a given month or on a per-employee, per-process basis for a given process; and fees charged for professional services are typically priced on a fixed fee basis for activating new accounts and on a time and materials basis for post go-live professional services. There is typically no variable consideration related to our recurring Cloud subscriptions or our activation services, nor do they include a significant financing component, non-cash consideration, or consideration payable to a customer. Our recurring Cloud subscriptions are typically billed one month in advance while our professional services are billed over the implementation period for activation of new accounts and as work is performed for post go-live professional services. Our Cloud services arrangements include multiple performance obligations, and transaction price allocations are based on the stand-alone selling price ("SSP") for each performance obligation. Our contract renewal rates serve as an observable input to establish SSP for our recurring Cloud subscription performance obligations. The SSP for professional services performance obligations is estimated based on market conditions and observable inputs, including rates charged by third parties to perform implementation services. For our performance obligations, the consideration allocated to Cloud subscription revenues is recognized as recurring revenues, typically commencing when an instance is provisioned to the customer. The consideration allocated to professional services to activate a new account is recognized as professional services revenues based on the proportion of total work performed, using reasonably dependable estimates (in relation to progression through the implementation phase), by solution. Recurring Revenues For our Dayforce solutions, we primarily charge monthly recurring fees on a PEPM basis, generally one-month in advance of service, based on the number and type of solutions provided to the customer and the number of employees at the customer. We charge Powerpay customers monthly recurring fees on a per-employee, per-process basis. For our Bureau solutions, we typically charge monthly recurring fees on a per-process basis. The typical recurring customer contract has an initial term between three and five years . Any credits related to service level commitments are recognized as incurred, as service level failures are not anticipated at contract signing. Should a customer cancel the initial contract, an early termination fee may be applicable, and revenue is recognized upon col lection. We also generate recurring revenue from investment income on our Cloud and Bureau customer funds before such funds are remitted to taxing authorities, customer employees, or other third parties. We refer to this investment income as float revenue. Please refer to Note 12, “Revenue,” for a full description of our sources of revenue. Professional Services and Other Revenues Professional services and other revenues consist primarily of charges relating to the work performed to assist customers with the planning, design, and implementation of their solutions. Also included in professional services are any related training services, post-implementation professional services, and shipment of time clocks purchased by customers. We also generate professional services and other revenues from custom professional services and consulting services that we provide and for certain third-party services that we arrange for our Bureau customers. Professional services revenue is primarily recognized as hours are incurred. Costs and Expenses Cost of Revenue Cost of revenue consists of costs to deliver our revenue-producing services. Most of these costs are recognized as incurred, that is, as we become obligated to pay for them. Some costs of revenue are recognized in the period that a service is sold and delivered. Other costs of revenue are recognized over the period of use or in proportion to the related revenue. The costs recognized as incurred consist primarily of customer service staff costs, customer technical support costs, implementation personnel costs, costs of hosting applications, consulting and purchased services, delivery services, and royalties. The costs of revenue recognized over the period of use are depreciation and amortization, rentals of facilities and equipment, and direct and incremental costs associated with deferred implementation service revenue. Cost of recurring revenues primarily consists of costs to provide maintenance and technical support to our customers, and the costs of hosting our applications. The cost of recurring revenues includes compensation and other employee-related expenses for data center staff, payments to outside service providers, data center, and networking expenses. Cost of professional services and other revenues primarily consists of costs to provide implementation consulting services and training to our customers, as well as the cost of time clocks. Costs to provide implementation consulting services include compensation and other employee-related expenses for professional services staff, costs of subcontractors, and travel. Product development and management expense includes costs related to software development activities that do not qualify for capitalization, such as development, quality assurance, testing of new technologies, and enhancements to our existing solutions that do not result in additional functionality. Product development and management expense also includes costs related to the management of our solutions. Research and development expense was $ 92.3 million, $ 81.1 million, and $ 39.6 million for the years ended December 31, 2022, 2021, and 2020, respectively. Depreciation and amortization related to cost of revenue primarily consists of amortization of capitalized software. Selling, General, and Administrative Expense Selling expense includes costs related to maintaining a direct marketing infrastructure and sales force and other direct marketing efforts, such as marketing events, advertising, telemarketing, direct mail, and trade shows. Advertising costs are expensed as incurred. Advertising expense was $ 11.3 million, $ 7.5 million, and $ 5.5 million for the years ended December 31, 2022, 2021, and 2020, respectively. General and administrative expense includes costs that are not directly related to delivery of services, selling efforts, or product development, primarily consisting of corporate-level costs, such as administration, finance, legal, and human resources. Also included in this category are depreciation, and amortization of other intangible assets not reflected in cost of revenue, and the provision for doubtful accounts receivable. Other Expense (Income), Net Other expense (income), net includes the results of transactions that are not appropriately classified in another category. These items are primarily foreign currency translation gains and losses resulting from transactions denominated in foreign currencies and net periodic pension costs. Income Taxes Income taxes have been provided for using the asset and liability method. Deferred tax assets and liabilities are recorded for temporary differences between the financial reporting basis and the tax basis of assets and liabilities as adjusted for the expected benefits of utilizing net operating loss carryforwards. The impact on deferred taxes of changes in tax rates and laws, if any, applied to the years during which temporary differences are expected to be settled, is reflected in the consolidated financial statements in the period of enactment. We classify interest and penalties related to income taxes as a component of income tax expense (benefit). Fair Value of Financial Instruments The carrying amounts of cash and equivalents, trade and other receivables, net, customer funds obligations, customer advance payments, and accounts payable approximate fair value because of the short-term nature of these items. Share-Based Compensation Our employees participate in share-based compensation plans. Under the fair value recognition provisions of share-based compensation accounting, we measure share-based compensation cost at the grant date based on the fair value of the award and recognize the compensation expense over the requisite service period, which is the period during which an employee is required to provide services in exchange for the award. We use the Black-Scholes standard option pricing model (“Black-Scholes model”) to determine the fair value of stock awards with term-based vesting conditions. The determination of the fair value of the awards on the date of grant using the Black-Scholes model is affected by the value of our common stock as well as other inputs and assumptions described below. If factors change and we employ different assumptions for estimating share-based compensation expense in future periods or if we adopt a different valuation model, future periods may differ significantly from what we have recorded in the current period and could materially affect our operating results. To determine the fair value of both term-based and certain performance-based stock awards, the risk-free interest rate used was based on the implied yield currently available on U.S. Treasury zero coupon issues with remaining term equal to the contractual term of the performance-based options and the expected term of the term-based awards. The estimated volatility of our common stock is based on volatility data for selected comparable public companies, including the historical volatility of our stock price, over the expected term of our stock awards. Because we do not anticipate paying any cash dividends in the foreseeable future, we use an expected dividend yield of zero. The amount of share-based compensation expense we recognize during a period is based on the portion of the awards that are ultimately expected to vest. We recognize stock compensation expense using the straight-line method. For performance-based stock options with a market condition, a Monte Carlo simulation model is used to determine the fair value. The Monte Carlo model utilizes multiple input variables that determine the probability of satisfying the market conditions stipulated in the award. We estimate forfeitures at the time of grant based on historical data and record share-based compensation expense for those awards expected to vest. Pension and Other Postretirement Benefits Liability We present information about our pension and postretirement benefit plans in Note 10, “Employee Benefit Plans” to our consolidated financial statements. Liabilities and expenses for pensions and other postretirement benefits are determined with the assistance of third-party actuaries, using actuarial methodologies and incorporating significant assumptions, including the rate used to discount the future estimated liability, the long-term rate of return on plan assets, and several assumptions relating to the employee workforce (medical costs, retirement age, and mortality). The discount rate assumption utilizes a full yield curve approach by applying the specific spot rates along the yield curve used in the determination of the benefit obligation to the relevant projected cash flows. The impact of a change in the discount rate of 25 basis points would be approximately $ 6.7 million on the liabilities and an immaterial impact on pre-tax earnings in the following year. The long-term rate of return is estimated by considering historical returns and expected returns on current and projected asset allocations and is generally applied to a five-year average market value of assets. A change in the assumption for the long-term rate of return on plan assets of 25 basis points would impact pre-tax earnings by approximately $ 1.1 million. Foreign Currency Translation We have international operations whereby the local currencies serve as functional currencies. We translate foreign currency denominated assets and liabilities at the end-of-period exchange rates and foreign currency denominated statements of operations at the average exchange rates for each period. We report the effect of changes in the U.S. dollar carrying values of assets and liabilities of our international subsidiaries that are due to changes in exchange rates between the U.S. dollar and the subsidiaries’ functional currency as foreign currency translation within accumulated other comprehensive income (loss) in the accompanying consolidated statements of stockholders’ equity and comprehensive income (loss). Gains and losses from transactions and translation of assets and liabilities denominated in currencies other than the functional currency of the subsidiaries are recorded in the consolidated statements of operations within other expense (income), net. Recently Issued and Adop ted Accounting Pronouncements Standard Issuance Date Description Adoption Date Effect on the Financial Statements Accounting Standards Update ("ASU") 2020-06 , Debt - Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging - Contracts in Entity's Own Equity (Subtopic 815-40) August 2020 This amendment simplifies the accounting for convertible instruments by removing certain separation models required under current GAAP for (1) convertible debt with a cash conversion feature and (2) convertible instruments with a beneficial conversion feature. As a result, a convertible debt instrument will be accounted for as a single liability measured at its amortized cost. January 2022 We adopted the guidance as of January 1, 2022 , using the modified retrospective method of transition. The adoption resulted in the elimination of the debt discount (and related deferred tax liability) that was recorded within equity related to our Convertible Senior Notes. The net impact of the adjustments was recorded to the opening balance of accumulated deficit and additional paid in capital. The impact to the consolidated balance sheet was as follows: (1) increase of $ 92.9 million to long-term debt, (2) decrease of $ 77.7 million to additional paid-in capital, net of allocated issuance costs of $ 2.7 million and deferred tax impact of $ 28.2 million, and (3) decrease to accumulated deficit of $ 10.0 million. ASU 2022-06 , Reference Rate Reform (Topic 848): Deferral of the Sunset Date of Topic 848 December 2022 This amendment provides optional expedients and exceptions for applying GAAP to contracts, hedging relationships, and other transactions affected by reference rate reform if certain criteria are met. The amendments apply only to contracts, hedging relationships, and other transactions that reference LIBOR or another reference rate expected to be discontinued because of reference rate reform. Not yet adopted This amendment may be elected over time through December 31, 2024 as reference rate reform activities occur. We do not expect the adoption of this guidance to have a significant impact on our financial statements.

Business Combinations

Business Combinations	12 Months Ended
Business Combinations	Dec. 31, 2022
Business Combinations [Abstract]
Business Combinations	3. Busines s Combinations Ascender On March 1, 2021, we completed the purchase of 100 % of the outstanding shares of Ascender HCM Pty Limited (“Ascender”) for $ 359.6 million. Ascender is a payroll and human resources solutions provider in the Asia Pacific Japan ("APJ") region. We entered into a forward foreign currency contract to hedge the purchase price for the Ascender acquisition which was denominated in Australian dollars, resulting in the recognition of a realized gain of $ 4.2 million for the year ended December 31, 2021, included as a component of other expense, net in our consolidated statement of operations. The financial results of Ascender have been included within our consolidated financial statements from the acquisition date forward and are classified among both Cloud and Bureau solutions. The purchase accounting was considered complete as of December 31, 2021. The intangible assets consist of $ 76.5 million of customer relationships, $ 55.0 million of developed technology, and $ 6.5 million of trade name. Of the goodwill associated with this acquisition, no amount is deductible for income tax purposes. The goodwill of $ 242.8 million arising from the Ascender acquisition is primarily attributable to the synergies to enable both multi-national customers and customers within the APJ region to leverage one global HCM platform, Dayforce, as well as the assembled workforce of Ascender. The major classes of assets and liabilities to which we have allocated the purchase price were as follows: (Dollars in millions) Cash and equivalents $ 5.1 Restricted cash 2.0 Trade receivables, prepaid expenses, and other current assets 16.0 Customer funds 18.9 Property, plant, and equipment 13.1 Goodwill 242.8 Other intangible assets 138.0 Other assets 18.8 Accounts payable and other current liabilities ( 33.4 ) Customer funds obligations ( 18.8 ) Other non-current liabilities ( 42.9 ) Total purchase price $ 359.6 Ideal On April 30, 2021, we completed the purchase of 100 % of the outstanding shares of O5 Systems, Inc. dba Ideal (“Ideal”) for $ 41.4 million. Ideal is a talent intelligence software provider based in Toronto, Ontario, Canada. The financial results of Ideal have been included within our consolidated financial statements from the acquisition date forward and are classified as a Cloud solution. The purchase accounting was considered complete as of December 31, 2021. The intangible assets consist of $ 18.0 million of developed technology, $ 0.2 million of trade name, and $ 0.1 million of customer relationships. Of the goodwill associated with this acquisition, no amount is deductible for income tax purposes. The major classes of assets and liabilities to which we have allocated the purchase price were as follows: (Dollars in millions) Cash and equivalents $ 2.6 Trade receivables, prepaid expenses, and other current assets 1.0 Property, plant, and equipment 0.1 Goodwill 26.3 Other intangible assets 18.3 Accounts payable and other current liabilities ( 3.8 ) Other non-current liabilities ( 3.1 ) Total purchase price $ 41.4 DataFuzion On October 4, 2021, we completed the acquisition of certain assets and liabilities of DataFuzion HCM, Inc. (“DataFuzion”) for $ 12.5 million in cash consideration and future contingent consideration payments. The asset purchase agreement allows the sellers to receive additional payments based on 1) the go live of DataFuzion’s payroll processing solution for a certain customer (“Milestone Payment”) and 2) qualifying annualized recurring revenue ("ARR") performance generated from DataFuzion's solution at each measurement date (“Earn-out Payments”, collectively with the Milestone Payment, the “Contingent Consideration Payments”). The Milestone Payment will not exceed a payout of $ 2.5 million whereas the Earn-out Payments are performance based and do not have an established maximum payout. The earn-out will be measured and subsequently paid annually as of June 30, with the first measurement in 2023 and the final measurement in 2026 . The fair value of the Contingent Consideration Payments was $ 5.4 million at the date of acquisition. The purchase accounting was considered complete as of December 31, 2021 and we allocated the purchase price of $ 17.9 million as follows: $ 15.6 million to goodwill and $ 2.3 million to developed technology. Of the goodwill associated with this acquisition, $ 10.2 million is deductible for income tax purposes. ADAM HCM On December 3, 2021, we completed the acquisition of 100 % of the outstanding interests in ATI ROW, LLC and ADAM HCM MEXICO , S. de R.L. de C.V. (collectively, "ADAM HCM") for $ 34.5 million. ADAM HCM is a payroll and HCM company in Latin America. We finalized the final purchase price adjustments, specifically the net working capital and tax adjustments, resulting in the completion of the purchase accounting as of June 30, 2022. Intangible assets recorded for this acquisition consist of $ 7.5 million of customer relationships, $ 2.9 million of developed technology, and $ 0.4 million of trade name. Of the goodwill associated with this acquisition, $ 24.0 million is deductible for income tax purposes. The major classes of assets and liabilities to which we have allocated the purchase price were as follows: (Dollars in millions) Cash and equivalents $ 0.2 Trade receivables, prepaid expenses, and other current assets 0.9 Goodwill 24.0 Other intangible assets 10.8 Other assets 0.2 Accounts payable and other current liabilities ( 1.6 ) Total purchase price $ 34.5 The acquisition of Ascender, Ideal, DataFuzion, and ADAM HCM were recorded using the acquisition method of accounting, in which the assets and liabilities assumed are recognized at their fair value. Additionally, after consideration of these acquisitions, management has concluded that we continue to have one operating and reportable segment. This conclusion aligns with how management monitors operating performance, allocates resources, and deploys capital. Pro forma financial information is not presented as none of the acquisitions qualified as a significant business combination individually or in aggregate.

Fair Value Measurements

Fair Value Measurements	12 Months Ended
Fair Value Measurements	Dec. 31, 2022
Fair Value Disclosures [Abstract]
Fair Value Measurements	4. Fair Value Measurements Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date (an exit price). GAAP outlines a valuation framework and creates a fair value hierarchy intended to increase the consistency and comparability of fair value measurements and the related disclosures. Certain assets and liabilities must be measured at fair value, and disclosures are required for items measured at fair value. We measure our financial instruments using inputs from the following three levels of the fair value hierarchy. The three levels are as follows: • Level 1 inputs are unadjusted quoted prices in active markets for identical assets or liabilities. • Level 2 inputs include quoted prices for similar assets and liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable for the asset or liability (that is, interest rates, yield curves, etc.), and inputs that are derived principally from or corroborated by observable market data by correlation or other means (market corroborated inputs). • Level 3 inputs include unobservable inputs that reflect our assumptions about the assumptions that market participants would use in pricing the asset or liability. These inputs are developed based on the best information available, including internal data. Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis Our financial assets and liabilities measured at fair value on a recurring basis were categorized as follows: December 31, 2022 Level 1 Level 2 Level 3 Total (Dollars in millions) Assets Available for sale customer funds assets $ 2,011.0 (a) $ — $ 2,011.0 Total assets measured at fair value $ — $ 2,011.0 $ — $ 2,011.0 Liabilities DataFuzion contingent consideration $ — $ — $ 10.6 (b) $ 10.6 Total liabilities measured at fair value $ — $ — $ 10.6 $ 10.6 December 31, 2021 Level 1 Level 2 Level 3 Total (Dollars in millions) Assets Available for sale customer funds assets $ — $ 1,952.4 (a) $ — $ 1,952.4 Total assets measured at fair value $ — $ 1,952.4 $ — $ 1,952.4 Liabilities DataFuzion contingent consideration $ — $ — $ 6.0 (b) $ 6.0 Total liabilities measured at fair value $ — $ — $ 6.0 $ 6.0 (a) Fair value is based on inputs that are observable for the asset or liability, other than quoted prices. (b) For the contingent consideration related to the 2021 acquisition of certain assets and liabilities of DataFuzion HCM, Inc. ("DataFuzion"), we utilize an option pricing model, specifically a Black-Scholes-Merton model, to estimate the fair value of the contingent liability as of the reporting dates. This model uses certain assumptions related to risk-free rates and volatility as well as certain judgments in forecasting annual recurring revenue. The contingent consideration has been measured as Level 3 given the unobservable inputs that are significant to the measurement of liability. The contingent consideration is included within other liabilities in our consolidated balance sheets. During the year ended December 31, 2022 and 2021 , we recognized expense of $ 4.6 million and $ 0.6 million, respectively, within selling, general, and administrative expense in our consolidated statements of operations due to the remeasurement of the DataFuzion contingent consideration. Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis During the year ended December 31, 2022, we did not re-measure any financial assets or liabilities at fair value on a nonrecurring basis. During the year ended December 31, 2021 , assets acquired and liabilities assumed as part of a business combination and recognized as part of our convertible debt issuance have been measured at fair value on a nonrecurring basis.

Customer Funds

Customer Funds	12 Months Ended
Customer Funds	Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]
Customer Funds	5. Custome r Funds Overview In connection with our U.S., Canada, India, Singapore, China, and Malaysia payroll and tax filing services, we collect funds for payment of payroll and taxes; temporarily hold such funds, in trust for the U.S. and Canadian funds, until payment is due; remit the funds to the clients’ employees and appropriate taxing authorities; file federal, state, and local tax returns; and handle related regulatory correspondence and amendments. The assets held are intended for the specific purpose of satisfying client fund obligations and therefore are not freely available for our general business use. Our customer funds are held and invested with the primary objectives being to protect the principal balance and to ensure adequate liquidity to meet cash flow requirements. Accordingly, we maintain on average approximately 45 % to 55 % of customer funds in liquidity portfolios with maturities ranging from one to 120 days, consisting of high-quality bank deposits, money market mutual funds, commercial paper, or collateralized short-term investments; and we maintain on average approximately 45 % to 55 % of customer funds in fixed income portfolios with maturities ranging from 120 days to 10 years, consisting of U.S. Treasury and agency securities, Canada government and provincial securities, as well as highly rated asset-backed, mortgage-backed, municipal, corporate, and bank securities. To maintain sufficient liquidity to meet payment obligations, we also have financing arrangements and may pledge fixed income securities for short-term financing. Financial Statement Presentation Investment income from invested customer funds, also referred to as float revenue or float, is a component of our compensation for providing services under agreements with our customers. Investment income from invested customer funds included in revenue amounted to $ 80.2 million, $ 41.1 million, and $ 52.3 million for the years ended December 31, 2022, 2021, and 2020, respectively. Investment income includes interest income, realized gains and losses from sales of customer funds’ investments, and unrealized credit losses determined to be unrecoverable. The amortized cost of customer funds as of December 31, 2022, and 2021 , is the original cost of assets acquired. The amortized cost and fair values of investments of customer funds available for sale were as follows: December 31, 2022 Amortized Gross Unrealized Fair Cost Gain Loss Value (Dollars in millions) Money market securities, investments carried at cost and other cash equivalents $ 2,152.4 $ — $ — $ 2,152.4 Available for sale investments: U.S. government and agency securities 721.3 — ( 53.1 ) 668.2 Canadian and provincial government securities 438.7 0.1 ( 17.8 ) 421.0 Corporate debt securities 653.8 0.5 ( 35.5 ) 618.8 Asset-backed securities 169.6 0.1 ( 6.1 ) 163.6 Mortgage-backed securities 14.5 — ( 0.7 ) 13.8 Other short-term investments 57.0 — — 57.0 Other securities 74.4 — ( 5.9 ) 68.6 Total available for sale investments 2,129.3 0.7 ( 119.1 ) 2,011.0 Invested customer funds 4,281.7 $ 0.7 $ ( 119.1 ) 4,163.4 Receivables 20.0 19.8 Total customer funds $ 4,301.7 $ 4,183.2 December 31, 2021 Amortized Gross Unrealized Fair Cost Gain Loss Value (Dollars in millions) Money market securities, investments carried at cost and other cash equivalents $ 1,562.4 $ — $ — $ 1,562.4 Available for sale investments: U.S. government and agency securities 697.8 9.5 ( 5.8 ) 701.5 Canadian and provincial government securities 399.9 5.3 ( 1.3 ) 403.9 Corporate debt securities 551.4 8.3 ( 3.1 ) 556.6 Asset-backed securities 174.2 1.5 ( 0.3 ) 175.4 Mortgage-backed securities 2.7 — — 2.7 Other short-term investments 41.4 — — 41.4 Other securities 71.7 — ( 0.8 ) 70.9 Total available for sale investments 1,939.1 24.6 ( 11.3 ) 1,952.4 Invested customer funds 3,501.5 $ 24.6 $ ( 11.3 ) 3,514.8 Receivables 18.4 21.0 Total customer funds $ 3,519.9 $ 3,535.8 The following represents the gross unrealized losses and the related fair value of the investments of customer funds available for sale, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position. December 31, 2022 Less than 12 months 12 months or more Total Unrealized Fair Unrealized Fair Unrealized Fair (Dollars in millions) U.S. government and agency securities $ ( 14.7 ) $ 341.7 $ ( 38.3 ) $ 323.9 $ ( 53.0 ) $ 665.6 Canadian and provincial government securities ( 11.8 ) 348.1 ( 6.0 ) 65.1 ( 17.8 ) 413.2 Corporate debt securities ( 17.9 ) 422.6 ( 17.6 ) 175.7 ( 35.5 ) 598.3 Asset-backed securities ( 4.6 ) 114.4 ( 1.5 ) 26.2 ( 6.1 ) 140.6 Other securities ( 1.0 ) 20.7 ( 5.7 ) 61.3 ( 6.7 ) 82.0 Total available for sale investments $ ( 50.0 ) $ 1,247.5 $ ( 69.1 ) $ 652.2 $ ( 119.1 ) $ 1,899.7 Management does not believe that any individual unrealized loss was unrecoverable as of December 31, 2022. The unrealized losses are primarily attributable to changes in interest rates and not to credit deterioration. We currently do not intend to sell or expect to be required to sell the securities before the time required to recover the amortized cost. The amortized cost and fair value of investment securities available for sale at December 31, 2022, by contractual maturity are shown below. Expected maturities will differ from contractual maturities because borrowers may have the right to call or to prepay obligations with or without call or prepayment penalties. December 31, 2022 Cost Fair Value (Dollars in millions) Due in one year or less $ 2,565.7 $ 2,560.8 Due in one to three years 638.7 608.3 Due in three to five years 906.5 835.8 Due after five years 170.8 158.5 Invested customer funds $ 4,281.7 $ 4,163.4

Trade and Other Receivables, Ne

Trade and Other Receivables, Net	12 Months Ended
Trade and Other Receivables, Net	Dec. 31, 2022
Receivables [Abstract]
Trade and Other Receivables, Net	6. Trade and Other Receivables, Net Trade and other receivables, net, consist of the following: December 31, 2022 2021 (Dollars in millions) Trade receivables from customers $ 143.0 $ 130.3 Interest receivable from invested customer funds 12.7 3.2 Dayforce Wallet on-demand pay receivables 22.2 9.3 Other 11.4 11.4 Total gross receivables 189.3 154.2 Less: reserve for sales adjustments ( 4.6 ) ( 4.0 ) Less: allowance for doubtful accounts ( 4.6 ) ( 3.9 ) Trade and other receivables, net $ 180.1 $ 146.3 The activity related to the allowance for doubtful accounts was as follows: Year Ended December 31, 2022 2021 2020 (Dollars in millions) Balance at beginning of year $ 3.9 $ 3.1 $ 2.4 Provision for doubtful accounts 2.2 1.8 2.0 Charge-offs, net of recoveries ( 1.5 ) ( 1.0 ) ( 1.3 ) Balance at end of year $ 4.6 $ 3.9 $ 3.1

Property, Plant, and Equipment,

Property, Plant, and Equipment, Net	12 Months Ended
Property, Plant, and Equipment, Net	Dec. 31, 2022
Property, Plant and Equipment [Abstract]
Property, Plant, and Equipment, Net	7. Property, Plant, and Equipment, Net Property, plant, and equipment, net consist of the following: December 31, 2022 2021 (Dollars in millions) Software $ 449.4 $ 357.2 Machinery and equipment 126.4 121.7 Buildings and improvements 41.8 31.9 Total property, plant, and equipment 617.6 510.8 Accumulated depreciation ( 442.7 ) ( 382.6 ) Property, plant, and equipment, net $ 174.9 $ 128.2 Depreciation expense related to property, plant, and equipment, net was $ 58.1 million, $ 53.6 million, and $ 48.0 million for the years ended December 31, 2022, 2021, and 2020 , respectively.

Goodwill and Intangible Assets

Goodwill and Intangible Assets	12 Months Ended
Goodwill and Intangible Assets	Dec. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Intangible Assets	8. Goodwill and Intangible Assets Goodwill Goodwill and changes therein were as follows: (Dollars in millions) Balance at December 31, 2020 $ 2,031.8 Acquisitions 308.2 Translation ( 16.4 ) Balance at December 31, 2021 2,323.6 Remeasurement from provisional purchase price accounting 0.5 Translation ( 44.1 ) Balance at December 31, 2022 $ 2,280.0 Tax-deductible goodwill at December 31, 2022 $ 49.9 Please refer to Note 3, “Business Combinations,” for further discussion of our acquisitions. We perform an impairment assessment of our goodwill balances as of October 1 of each year. Goodwill impairment testing is performed at the reporting unit level, which is the operating segment level or one level below. We performed a qualitative assessment as of October 1, 2022 and concluded that it is more likely than not that the fair value of our reporting unit is more than its carrying amount. Intangible Assets Other intangible assets, net consist of the following: December 31, 2022 Gross Carrying Accumulated Net Estimated Life (Dollars in millions) Customer lists and relationships $ 299.8 $ ( 228.6 ) $ 71.2 4 - 12 Trade name 183.4 ( 4.7 ) 178.7 3 - 5 and Indefinite Technology 213.5 ( 181.8 ) 31.7 3 - 5 Total other intangible assets $ 696.7 $ ( 415.1 ) $ 281.6 December 31, 2021 Gross Carrying Accumulated Net Estimated Life (Dollars in millions) Customer lists and relationships $ 308.4 $ ( 220.4 ) $ 88.0 4 - 12 Trade name 184.4 ( 3.2 ) 181.2 3 - 5 and Indefinite Technology 233.9 ( 170.6 ) 63.3 3 - 5 Total other intangible assets $ 726.7 $ ( 394.2 ) $ 332.5 As of October 1 each year, we perform an impairment assessment of our indefinite-lived intangible assets, which includes our Ceridian and Dayforce trade names, which have a carrying value of $ 167.2 million and $ 4.4 million, respectively as of December 31, 2022. We performed a qualitative assessment as of October 1, 2022 and concluded that it is more likely than not that the fair value of our Ceridian and Dayforce trade names exceeded their respective carrying amounts. We continue to evaluate the use of our trade names and branding in our sales and marketing efforts. If there is a fundamental shift in the method of our branding in the future, we will assess the impact on the carrying amount of our trade name intangible assets to determine whether an impairment exists. If it is determined that an impairment has occurred, it would be recognized during the period in which the decision was made to make the fundamental shift. Amortization expense related to definite-lived intangible assets was $ 30.9 million, $ 23.9 million, and $ 3.8 million for the years ended December 31, 2022, 2021, and 2020 , respectively. We estimate the future amortization of other intangible assets is as follows: Years Ending December 31, Amount (Dollars in millions) 2023 $ 25.2 2024 24.5 2025 18.2 2026 10.2 2027 7.7 Thereafter 24.2 Long-Lived Assets by Geographic Area Long-lived assets consist of right of use lease asset, property, plant and equipment, net, goodwill, and other intangible assets, net. Long-lived assets by country consist of the following: December 31, 2022 2021 (Dollars in millions) United States $ 1,803.5 $ 1,795.6 Canada 507.4 530.9 Australia 259.3 370.0 Other 190.6 117.2 Total long-lived assets $ 2,760.8 $ 2,813.7

Debt

Debt	12 Months Ended
Debt	Dec. 31, 2022
Debt Disclosure [Abstract]
Debt	9. De bt Overview Our debt obligations consist of the following: December 31, 2022 2021 (Dollars in millions) Term Debt, interest rate of 6.9 % and 2.6 %, respectively $ 651.1 $ 657.9 Revolving Credit Facility ($ 300.0 million available capacity less amounts reserved for letters of credit, which were $ 1.4 million and $ 2.1 million, respectively) — — Convertible Senior Notes, interest rate of 0.25 % 575.0 575.0 Australia Line of Credit (AUD $ 1.5 million and $ 2.9 million letter of credit capacity, respectively, which were fully utilized; USD $ 1.0 million and USD $ 2.1 million, respectively) — — Financing lease liabilities (Please refer to Note 15) 8.4 9.6 Total debt 1,234.5 1,242.5 Less unamortized discount on Term Debt and Convertible Senior Notes (a) 0.6 95.5 Less unamortized debt issuance costs on Term Debt and Convertible Senior Notes (a) 12.7 14.3 Less current portion of long-term debt 7.8 8.3 Long-term debt, less current portion $ 1,213.4 $ 1,124.4 a) We adopted ASU 2020-06 as of January 1, 2022. The unamortized discount and debt issuance costs on the Convertible Senior Notes is presented post-adoption of ASU 2020-06 as of December 31, 2022 and is presented pre-adoption of ASU 2020-06 as of December 31, 2021 . Refer to the Convertible Senior Notes section below for further discussion of the impacts of the adoption of ASU 2020-06 on our consolidated financial statements. Accrued interest and fees related to our debt obligations was $ 0.7 million and $ 0.5 million as of December 31, 2022 and 2021, respectively, and is included within Other accrued expenses in our consolidated balance sheets. Senior Secured Credit Facility Principal Amounts and Maturity Dates On April 30, 2018, we completed the refinancing of our debt by entering into a new credit agreement. Pursuant to the new credit agreement, we became borrower of (i) a $ 680.0 million term loan debt facility (the “Term Debt”) and (ii) a $ 300.0 million revolving credit facility (the “Revolving Credit Facility”) (collectively, the “Senior Secured Credit Facility”). Our obligations under the Senior Secured Credit Facility are secured by first priority security interests in substantially all of our assets and the domestic subsidiary guarantors, subject to permitted liens and certain exceptions. The Term Debt will mature on April 30, 2025 . We are required to make annual amortization payments in respect of the Term Debt in an amount equal to 1.00 % of the original principal amount thereof, payable in equal quarterly installments of 0.25 % of the original principal amount of the first lien term debt. On December 15, 2021, we completed the second amendment to our Senior Secured Credit Facility, which extended the maturity date of the Revolving Credit Facility from April 30, 2023 to January 29, 2025 . The Revolving Credit Facility does not require amortization payments. Interest The effective interest rate on the Term Debt at December 31, 2022 and 2021 , was 6.9 % and 2.6 %, respectively. The Term Debt was initially subject to an interest rate of LIBOR plus 3.25 %. As a result of a ratings upgrade on March 26, 2019, of our Senior Secured Credit Facility by Moody’s Investor Service, from B3 to B2, the Company’s floating rate Term Debt interest rate was reduced from LIBOR plus 3.25 % to LIBOR plus 3.00 %, so long as the rating is maintained. On February 19, 2020, we completed the first amendment to the Senior Secured Credit Facility in which the interest rate was reduced from LIBOR plus 3.00 % to LIBOR plus 2.5 %. Further, the interest rate trigger under the applicable rating by Moody’s Investor Service was removed by the first amendment. Financing Costs and Issuance Discounts In connection with our debt refinancing in 2018, we capitalized $ 3.6 million of additional financing costs. The Term Debt had associated unamortized deferred financing costs of $ 3.7 million and $ 5.2 million at December 31, 2022, and 2021 , respectively, which are being amortized at an effective interest rate of 5.3 %. In connection with the second amendment in 2021, we capitalized $ 0.8 million of additional financing costs. Collateral and Guarantees The Senior Secured Credit Facility names us as the sole borrower and is unconditionally guaranteed by our domestic, wholly-owned financially material restricted subsidiaries, subject to certain customary exceptions. The Senior Secured Credit Facility is secured by a perfected first priority security interest, subject to certain exceptions (including customer funds), in substantially all of our and the subsidiary guarantors’ tangible and intangible assets. The security interest includes a pledge of the capital stock of certain of our direct and indirect material restricted subsidiaries. Representations, Warranties and Covenants The documents governing the Senior Secured Credit Facility contain certain customary representations and warranties. In addition, those documents contain customary covenants restricting our ability and certain of our subsidiaries’ ability to, among other things: incur additional indebtedness, issue disqualified stock and preferred stock; create liens; declare dividends; redeem capital stock; make investments; engage in a materially different line of business; engage in certain mergers, consolidations, acquisitions, asset sales, or other fundamental changes; engage in certain transactions with affiliates; enter into certain restrictive agreements; make prepayments on any subordinated indebtedness; modify junior financing documentation; and make changes to our fiscal year. The Senior Secured Credit Facility documents contain a requirement that we maintain a ratio of adjusted first lien debt to Credit Facility EBITDA below specified levels on a quarterly basis; however, such requirement is applicable only if more than 35% of the Revolving Credit Facility is drawn. As of December 31, 2022 , no portion of the Revolving Credit Facility was drawn. Events of Default Events of default under the Senior Secured Credit Facility documents include, but are not limited to: failure to pay interest, principal and fees, or other amounts when due; material breach of any representation or warranty; covenant defaults; cross defaults to other material indebtedness; events of bankruptcy, invalidity of security interests; a change of control; material judgments for payment of money; involuntary acceleration of any debt; and other customary events of default. There were no events of default as of December 31, 2022. Convertible Senior Notes In March 2021, we issued $ 575.0 million in aggregate principal amount of 0.25 % Convertible Senior Notes due 2026 in a private offering to qualified institutional buyers pursuant to Rule 144A promulgated under the Securities Act of 1933, as amended, and pursuant to exemptions from the prospectus requirements of applicable Canadian securities laws, including the exercise in full by the initial purchasers of their option to purchase an additional $ 75.0 million in aggregate principal amount of 0.25 % Convertible Senior Notes due 2026 (collectively, the “Convertible Senior Notes”). The Convertible Senior Notes bear interest at a rate of 0.25 % per year and interest is payable semiannually in arrears on March 15 and September 15 of each year, beginning on September 15, 2021 . The Convertible Senior Notes mature on March 15, 2026 , unless earlier converted, redeemed or repurchased. The total net proceeds from the offering, after deducting initial purchase discounts and other debt issuance costs, were $ 561.8 million. The Convertible Senior Notes are unsecured obligations and do not contain any financial covenants or restrictions on the payments of dividends, the incurrence of indebtedness or the issuance or repurchase of securities by us or any of our subsidiaries. The following table presents details of the Convertible Senior Notes: Initial Conversion Rate per $ 1,000 Principal Initial Conversion Price per Share Convertible Senior Notes 7.5641 shares $ 132.20 The Convertible Senior Notes will be convertible at the option of the holders at any time only under the following circumstances: • During any calendar quarter commencing after the calendar quarter ending on June 30, 2021, if the last reported sale price per share of our common stock exceeds 130 % of the conversion price for each of at least 20 trading days during the 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter; • During the five consecutive business days immediately after any 10 consecutive trading day period (such 10 consecutive trading day period, the “measurement period”) in which the trading price per $ 1,000 principal amount of Convertible Senior Notes for each trading day of the measurement period was less than 98 % of the product of the last reported sale price per share of our common stock on such trading day and the conversion rate on such trading day; • Upon the occurrence of certain corporate events or distributions on our common stock, as described in the Indenture under which the Convertible Senior Notes were issued; • If we call such Convertible Senior Notes for redemption; or • At any time from, and including, September 15, 2025 until the close of business on the second scheduled trading day immediately before the maturity date. Upon conversion, we may satisfy the conversion obligation by paying or delivering, as applicable, cash, shares of our common stock or a combination of cash and shares of our common stock, at our election, in the manner and subject to the terms and conditions provided in the Indenture under which the Convertible Senior Notes were issued. On December 30, 2021, we notified the holders of the Convertible Senior Notes of our irrevocable election to settle the conversion obligations in connection with the Convertible Senior Notes submitted for conversion on or after January 1, 2022, or at maturity with a combination of cash and shares of our common stock. Generally, under this settlement method, the conversion value will be settled in cash in an amount no less than the principal amount being converted, and any excess of the conversion value over the principal amount will be settled, at the Company's election, in cash or shares of our common stock. The conditions allowing holders of the Convertible Senior Notes to convert have not been met and therefore were not convertible as of December 31, 2022. We may not redeem the Convertible Senior Notes prior to March 20, 2024. On or after March 20, 2024, and on or before the 30th scheduled trading day immediately preceding the maturity date, we may redeem the Convertible Senior Notes at a cash purchase price equal to the principal amount of the Convertible Senior Notes to be redeemed, plus accrued and unpaid interest, if any, but only if the last reported sale price per share of our common stock exceeds 130 % of the conversion price on (1) each of at least 20 trading days, whether or not consecutive, during the 30 consecutive trading days ending on, and including, the trading day immediately before the date we send the related redemption notice; and (2) the trading day immediately before the date we send such notice. In addition, calling any Convertible Senior Note for redemption will constitute a make-whole fundamental change with respect to that Convertible Senior Note, in which case the conversion rate applicable to the conversion of that Convertible Senior Note will be increased in certain circumstances if it is converted after it is called for redemption. If a “fundamental change” (as defined in the Indenture under which the Convertible Senior Notes were issued) occurs, then noteholders may require us to repurchase their Convertible Senior Notes at a cash repurchase price equal to the principal amount of the Convertible Senior Notes to be repurchased, plus accrued and unpaid interest, if any. On January 1, 2022, we adopted ASU 2020-06 using the modified retrospective transition method. Under such transition, prior-period information has not been retrospectively adjusted for this change in accounting guidance. Upon the adoption of ASU 2020-06, the Convertible Senior Notes are accounted for as a single liability, and the carrying amount of the Convertible Senior Notes was $ 565.4 million as of December 31, 2022 , with principal of $ 575.0 million, net of issuance costs of $ 9.6 million. The Convertible Senior Notes are included within long-term debt, less current portion in our consolidated balance sheets as of December 31, 2022 . The issuance costs related to the Convertible Senior Notes are being amortized to interest expense over the contractual term of the Convertible Senior Notes at an effective interest rate of 5.1 %. The following table sets forth total interest expense recognized related to the Convertible Senior Notes for the period: Year Ended December 31, 2022 Year Ended December 31, 2021 (Dollars in millions) Contractual interest expense $ 1.5 $ 1.2 Amortization of debt discount — 14.0 Amortization of debt issuance costs 3.1 1.7 Total $ 4.6 $ 16.9 Capped Calls In March 2021, in connection with the pricing of the Convertible Senior Notes, we entered into capped call transactions with the option counterparties (the “Capped Calls”). The Capped Calls each have an initial strike price of $ 132.20 per share, and an initial cap price of $ 179.26 per share, both subject to certain adjustments. The capped call transactions are generally expected to reduce potential dilution to our common stock upon any conversion of the Convertible Senior Notes and/or offset any potential cash payments we would be required to make in excess of the principal amount of converted Convertible Senior Notes, as the case may be, with such reduction and/or offset subject to a cap based on the cap price. For accounting purposes, the Capped Calls are separate transactions, and not part of the terms of the Convertible Senior Notes. As the Capped Calls qualify for a scope exception from derivative accounting for instruments that are both indexed to the issuer's own stock and classified in stockholder’s equity in our consolidated balance sheet, we have recorded an amount of $ 33.0 million as a reduction to additional paid-in capital, which will not be remeasured. This represents the premium of $ 45.0 million paid for the purchase of the Capped Calls, net of the deferred tax impact of $ 12.0 million. Other Information Relating to Indebtedness Future Payments and Maturities of Debt The future principal payments and maturities of our indebtedness, excluding financing lease obligations, are as follows: Years Ending December 31, Amount (Dollars in millions) 2023 $ 6.8 2024 6.8 2025 637.5 2026 575.0 $ 1,226.1 We may be required to make additional payments on the Term Debt from various sources, including proceeds of certain indebtedness which may be incurred from time to time, certain asset sales, and a certain percentage of cash flow. There is an excess cash flow calculation associated with the Term Debt, and based on this calculation, we are not required to make a prepayment on the Term Debt in 2023. Fair Value of Debt Our debt does not trade in active markets and was considered to be a Level 2 measurement at December 31, 2022. The fair value of the Term Debt was based on the borrowing rates currently available to us for bank loans with similar terms and average maturities and the limited trades of our debt. The fair value of the Convertible Senior Notes was determined based on the closing trading price per $ 1,000 of the Convertible Senior Notes as of the last day of trading for the period and is primarily affected by the trading price of our common stock and market interest rates. The fair value of our debt was estimated to be $ 1,142.3 million and $ 1,248.9 million as of December 31, 2022, and 2021, respectively. Other Debt Financing Ceridian Australia had available a bank credit facility that provides for the issuance of letters of credit. The credit facility is a discretionary line at the option of the bank. The amount of letters of credit capacity and letters of credit outstanding under this facility were AUD $ 1.5 million (USD $ 1.0 million) and AUD $ 2.9 million (USD $ 2.1 million) at December 31, 2022 and 2021 , respectively.

Employee Benefit Plans

Employee Benefit Plans	12 Months Ended
Employee Benefit Plans	Dec. 31, 2022
Retirement Benefits [Abstract]
Employee Benefit Plans	10. Employe e Benefit Plans Ceridian maintain numerous benefit plans for current and former employees. As of December 31, 2022, our current active benefit plans include defined contribution plans for the majority of our employees. All of our defined benefit plans have been frozen. Defined Contribution Plans We maintain defined contribution plans that provide retirement benefits to the majority of our employees. Contributions are based upon the contractual obligations of each respective plan. We recognized expense of $ 23.0 million, $ 15.4 million, and $ 11.1 million for the years ended December 31, 2022, 2021, and 2020, respectively, related to employer contributions to these plans. Defined Benefit Plans We maintain defined benefit pension plans covering certain of our current and former U.S. employees (the U.S. pension plan and nonqualified defined benefit plan, collectively referred to as our “defined benefit plans”), as well as other postretirement benefit plans for certain U.S. retired employees that include heath care and life insurance benefits. Pension Benefits The largest defined benefit pension plan (the “U.S. pension plan”) is a defined benefit plan for certain current and former U.S. employees that closed to new participants on January 2, 1995. In 2007, the U.S. pension plan was amended (1) to exclude from further participation any participant or former participant who was not employed by Ceridian or another participating employer on January 1, 2008, (2) to discontinue participant contributions, and (3) to freeze the accrual of additional benefits as of December 31, 2007. The measurement date for pension benefit plans is December 31. Assets of the U.S. pension plan are held in an irrevocable trust and do not include any Ceridian securities. Benefits under this plan are generally calculated on final or career average earnings and years of participation in the plan. Most participating employees were required to permit salary reduction contributions to the plan on their behalf by the employer as a condition of active participation. Retirees and other former employees are inactive participants in this plan and constitute approximately 99 % of the plan participants. This plan is funded in accordance with funding requirements under the Employee Retirement Income Security Act of 1974, based on determinations of a third-party consulting actuary. Investment of the U.S. pension plan assets in Ceridian securities is prohibited by the investment policy. As of December 31, 2022, the U.S. defined benefit plan is fully funded. In addition to the U.S. defined benefit plan, we also sponsor a nonqualified supplemental defined benefit plan (the “nonqualified defined benefit plan”), which is unfunded and provides benefits to selected U.S. employees. We made contributions to the nonqualified defined benefit plan amounting to $ 1.4 million in 2022 and expect to make contributions of $ 1.2 million during 2023. We account for our defined benefit plans using actuarial models . These models use an attribution approach that generally spreads the effect of individual events over the estimated life expectancy of the employees in such plans. These events include plan amendments and changes in actuarial assumptions such as the expected long-term rate of return on plan assets, discount rate related to the benefit obligation, and mortality rates. One of the principal components of the net periodic pension calculation is the expected long-term rate of return on plan assets. The required use of expected long-term rate of return on plan assets may result in recognized pension income that is greater or less than the actual returns of those plan assets in any given year. Over time, however, the expected long-term returns are designed to approximate the actual long-term returns that contribute to the settlement of the liability. Differences between actual and expected returns are recognized in the net periodic pension calculation over three years. We use long-term historical actual return information, the mix of investments that comprise plan assets, and future estimates of long-term investment returns by reference to external sources to develop our expected return on plan assets. The discount rate assumption is used to determine the benefit obligation and the interest portion of the net periodic pension cost (credit) for the following year. We utilize a full yield curve approach for our discount rate assumption by applying the specific spot rates along the yield curve used in the determination of the benefit obligation to the relevant projected cash flows. As of December 31, 2022 , a 25 basis point decrease in the discount rate would result in an immaterial impact to expense for all pension plans. At December 31, 2021, we updated our mortality assumptions utilizing an improvement scale issued by the Society of Actuaries in October 2021 , which resulted in a $ 2 million increase in the projected benefit obligation. The mortality assumption was not updated at December 31, 2022. The funded status of defined benefit plans represents the difference between the projected benefit obligation (“PBO”) and the plan assets at fair value. The PBO of defined benefit plans exceeded the fair value of plan assets by $ 11.1 million at December 31, 2022; whereas the fair value of plan assets exceeded the PBO of defined benefit plans by $ 1.6 million at December 31, 2021. We are required to record the funded status as an asset or liability in our consolidated balance sheets and recognize the change in the funded status in comprehensive income, net of deferred income taxes. The projected future payments to participants from defined benefit plans are as follows: Years Ending December 31, Amount (Dollars in millions) 2023 $ 42.4 2024 40.6 2025 38.6 2026 36.6 2027 35.0 Next five years $ 147.5 The accompanying tables reflect the combined funded status and net periodic pension cost and combined supporting assumptions for the defined benefit elements of our defined benefit plans. Year Ended December 31, 2022 2021 (Dollars in millions) Funded Status of Defined Benefit Retirement Plans at Measurement Date Change in Projected Benefit Obligation During the Year: Projected benefit obligation at beginning of year $ 503.4 $ 555.2 Interest cost 8.8 6.7 Actuarial gain ( 83.1 ) ( 10.5 ) Benefits paid and plan expenses ( 45.6 ) ( 48.0 ) Projected benefit obligation at end of year $ 383.5 $ 503.4 Change in Fair Value of Plan Assets During the Year: Plan assets at fair value at beginning of year 505.0 558.7 Actual return on plan assets ( 88.4 ) ( 7.2 ) Employer contributions 1.4 1.6 Benefits paid and plan expenses ( 45.6 ) ( 48.1 ) Plan assets at fair value at end of year 372.4 505.0 Funded status of plans $ ( 11.1 ) $ 1.6 December 31, 2022 2021 (Dollars in millions) Amounts recognized in Consolidated Balance Sheets Noncurrent asset $ — $ 12.1 Current liability 1.2 1.4 Noncurrent liability 9.9 9.1 Amounts recognized in Accumulated Other Comprehensive Loss Accumulated other comprehensive loss, net of tax of $ 51.2 million and $ 49.4 million, respectively $ 163.6 $ 157.9 The overall decrease in our benefit obligation for the year ended December 31, 2022 was primarily driven by benefit payments paid, plan expenses, and actuarial gains. The other comprehensive (income) loss related to pension benefit plans was as follows: Year Ended December 31, 2022 2021 2020 (Dollars in millions) Net actuarial loss (gain) $ 21.2 $ 9.9 $ ( 8.0 ) Amortization of net actuarial loss ( 13.6 ) ( 17.3 ) ( 15.7 ) Tax expense ( 1.9 ) 2.0 6.4 Other comprehensive loss (income), net of tax $ 5.7 $ ( 5.4 ) $ ( 17.3 ) Year Ended December 31, 2022 2021 2020 Assumptions Used in Calculations Discount rate used to determine net benefit cost 2.36 % 1.87 % 2.81 % Expected return on plan assets 3.30 % 2.70 % 5.70 % Discount rate used to determine benefit obligations 4.84 % 2.36 % 1.87 % Year Ended December 31, 2022 2021 2020 (Dollars in millions) Net Periodic Pension Cost Interest cost $ 8.8 $ 6.7 $ 12.7 Actuarial loss amortization 13.6 17.3 15.7 Less: Expected return on plan assets ( 15.9 ) ( 13.1 ) ( 22.9 ) Net periodic pension cost $ 6.5 $ 10.9 $ 5.5 Our overall investment strategy for the U.S. pension plan is to achieve a mix of approximately 86 % for liability hedging purposes, 13 % of investments for long term growth, and 1 % for near-term benefit payments. Target asset allocations are based upon actuarial and capital market studies performed by experienced outside consultants. The target allocations for the long term growth assets are 58 % public equity, 25 % fixed income, and 17 % alternative investments. Specifically, the target allocation is managed through investments in fixed income securities, equity funds, collective investment funds, partnerships and other investment types. The underlying equity securities include exposure to large/mid-cap companies and small-cap companies. Fixed income securities include emerging market debt and high yield debt securities. The alternative investment strategy is allocated to investments in hedge funds. The liability hedging portfolio fair value is intended to move in a direction that substantially offsets the increase or decrease in the liabilities resulting from changes in interest rates. To achieve this objective, the portfolio will invest in corporate debt securities, U.S. Treasury strips and various interest rate derivatives contracts. We hire outside managers to manage all assets of the U.S. defined benefit plan. In determining the fair values of the defined benefit plan’s assets, we calculate the fair value of certain investments using net asset value ("NAV") per share. Mutual funds are valued at the NAV, which is based on the readily determinable fair value of the underlying securities owned by the fund. The NAV unit price is quoted on a private market or one that is not active. The NAV represents the value at which the defined benefit plan initiates a transaction. These investments do not have any significant unfunded commitments, conditions or restrictions on redemption, or any other significant restriction on their sale. The fair values of our defined benefit plan’s assets by asset category were as follows: December 31, 2022 Level 1 Level 2 Level 3 Total (Dollars in millions) Investments, at fair value: Short-term investments $ 17.2 $ — $ — $ 17.2 Government securities — 6.3 — 6.3 Corporate debt securities — 301.8 — 301.8 Collective investment funds — 47.1 — 47.1 Total investments, at fair value $ 17.2 $ 355.2 $ — $ 372.4 December 31, 2021 Level 1 Level 2 Level 3 Total (Dollars in millions) Investments, at fair value: Short-term investments $ 26.7 $ — $ — $ 26.7 Government securities — 16.7 — 16.7 Corporate debt securities — 384.2 — 384.2 Collective investment funds — 77.4 — 77.4 Total investments, at fair value $ 26.7 $ 478.3 $ — $ 505.0 Postretirement Benefits We provide health care and life insurance benefits for eligible retired employees, including individuals who retired from operations we subsequently sold or discontinued. We sponsor several health care plans in the United States for both pre- and post-age 65 retirees. The contributions to these plans differ for various groups of retirees and future retirees. Most retirees outside of the U.S. are covered by governmental health care programs, and our cost is not significant. The measurement date for postretirement benefit plans is December 31. The discount rate assumption is used to determine the benefit obligation and the interest portion of the net periodic postretirement cost (credit) for the following year. We utilize a full yield curve approach for our discount rate assumption by applying the specific spot rates along the yield curve used in the determination of the benefit obligation to the relevant projected cash flows. As of December 31, 2022 , a 25 basis point decrease in the discount rate would result in an immaterial impact on expense for the postretirement plan. The accompanying tables present the amounts and changes in the aggregate benefit obligation and the components of net periodic postretirement benefit cost for U.S. plans. We fund these costs as they become due. Year Ended 2022 2021 (Dollars in millions) Funded Status of Postretirement Health Care and Life Insurance Plans Change in Benefit Obligation: At beginning of year $ 12.6 $ 14.1 Interest cost 0.2 0.1 Participant contributions 0.6 0.3 Actuarial gain ( 3.1 ) ( 0.8 ) Benefits paid ( 1.5 ) ( 1.1 ) At end of year $ 8.8 $ 12.6 Change in Plan Assets: At beginning of year $ — $ — Company contributions 0.9 0.8 Participant contributions 0.6 0.3 Benefits paid ( 1.5 ) ( 1.1 ) At end of year — — Funded Status $ ( 8.8 ) $ ( 12.6 ) December 31, 2022 2021 (Dollars in millions) Amounts recognized in Consolidated Balance Sheets Current liability $ 1.6 $ 1.8 Noncurrent liability 7.2 10.8 Amounts recognized in Accumulated Other Comprehensive Loss Accumulated other comprehensive loss (income), net of tax of ($ 5.4 ) million and $( 5.0 ) million, respectively $ ( 8.4 ) $ ( 7.6 ) The other comprehensive (income) loss related to postretirement benefits was as follows: Year Ended December 31, 2022 2021 2020 (Dollars in millions) Net actuarial gain $ ( 3.1 ) $ ( 0.8 ) $ — Amortization of net actuarial gain 1.9 2.2 2.5 Tax benefit 0.4 ( 0.4 ) ( 0.7 ) Other comprehensive (gain) loss, net of tax $ ( 0.8 ) $ 1.0 $ 1.8 Year Ended December 31, 2022 2021 2020 (Dollars in millions) Net Periodic Postretirement Benefit Interest cost $ 0.2 $ 0.1 $ 0.3 Actuarial gain amortization ( 1.9 ) ( 2.0 ) ( 2.2 ) Prior service credit amortization — ( 0.2 ) ( 0.3 ) Net periodic postretirement benefit gain $ ( 1.7 ) $ ( 2.1 ) $ ( 2.2 ) The assumed health care cost trend rate represents the rate at which health care costs are assumed to increase. The assumed health care cost trend rate used in measuring the benefit obligation in 2022 is 6.8 % for pre-age 65 retirees and 8.0 % for post-age 65 retirees. These rates are assumed to decrease gradually to the ultimate health care cost trend rate of 4.5% in 2029 for both groups. Year Ended December 31, 2022 2021 2020 Assumptions Used in Calculations Weighted average discount rate used to determine 2.00 % 1.42 % 2.52 % Weighted average discount rate used to determine 4.72 % 2.00 % 1.42 % The projected future postretirement benefit payments and future receipts from the federal subsidy for each of the next five years and the five-year period following are as follows: Years Ending December 31, Payments Receipts (Dollars in millions) 2023 $ 1.6 $ — 2024 1.3 — 2025 1.2 — 2026 1.1 — 2027 1.0 — Next five years $ 3.1 $ —

Share-Based Compensation

Share-Based Compensation	12 Months Ended
Share-Based Compensation	Dec. 31, 2022
Share-Based Payment Arrangement [Abstract]
Share-Based Compensation	11. Share-Based Compensation Our share-based compensation consists of stock options, restricted stock units (“RSU”), and performance-based stock units (“PSU”). We also offer an employee stock purchase plan. Prior to November 1, 2013, our employees participated in a share-based compensation plan of the former ultimate parent of Ceridian, the 2007 Stock Incentive Plan (“2007 SIP”). Effective November 1, 2013, although most participants who held stock options under the 2007 SIP converted their options to a newly created option plan, the 2013 Ceridian HCM Holding Inc. Stock Incentive Plan, as amended (“2013 SIP”), a small number of participants maintained their stock options in the 2007 SIP. Concurrent with the IPO and legal reorganization, all outstanding stock options under the 2007 SIP were converted into options to purchase common stock of Ceridian. As of December 31, 2022, there were no stock options outstanding under the 2007 SIP. On April 24, 2018, in connection with the IPO, the Board of Directors approved the Ceridian HCM Holding Inc. 2018 Equity Incentive Plan (“2018 EIP”), which authorized the issuance of up t o 13,500,000 shares of common stock to eligible participants through equity awards (the “Share Reserve”). The 2018 EIP serves as a successor to the 2013 SIP as we ceased granting awards under the 2013 SIP as of April 24, 2018, and we do not intend to grant any additional awards under the 2013 SIP. Most of our equity awards under the 2013 EIP and 2018 EIP vest either annually or quarterly on a pro rata basis, generally over a one -, three -, four -, or five-year period or on a specific date if certain performance criteria are satisfied and certain equity values are attained. In addition, upon termination of service, all vested awards must be exercised generally within 90 days after termination, or these awards will be forfeited. The equity awards have a 10-year contractual term, and the options have an exercise price that is not less than the fair market value of the underlying stock on the date of grant. The Share Reserve may be increased on March 31 of each of the first ten calendar years during the term of the 2018 EIP, by the lesser of (i) three percent of the number of shares of our common stock outstanding on each January 31 immediately prior to the date of increase or (ii) such number of shares of our common stock determined by the Board of Directors. Pursuant to the evergreen refresh provision of the 2018 EIP, on February 23, 2022, the Board of Directors approved an increase to the share reserve of the three percent of the number of shares of common stock outstanding on January 31, 2022 to take place on March 31, 2022. Further, our Board of Directors approved an amendment effective April 1, 2022, to remove the evergreen refresh provision of the 2018 EIP. As of December 31, 2022 , there were 850,736 stock options and RSUs outstanding under the 2013 SIP. We do not intend to grant any additional awards under the 2007 SIP or the 2013 SIP. As of December 31, 2022 , there were 11,803,072 stock options, RSUs, and PSUs outstanding and 13,726,148 shares available for future grants of equity awards under the 2018 EIP. Share-based compensation expense was $ 144.8 million, $ 113.4 million, and $ 65.8 million for the years ended December 31, 2022, 2021, and 2020, respectively. Performance-Based Stock Options Performance-based option activity under the 2007 SIP, the 2013 SIP, and the 2018 EIP was as follows: Shares Weighted Weighted Aggregate Performance-based options outstanding at December 31, 2019 68,281 $ 13.58 2.6 $ 3.7 Granted 1,818,728 $ 65.27 — Exercised ( 42,730 ) ( 13.46 ) — — Performance-based options outstanding at December 31, 2020 1,844,279 $ 64.55 9.2 $ 77.5 Exercised ( 65,882 ) ( 47.23 ) — — Forfeited or expired ( 1,347 ) — — — Performance-based options outstanding at December 31, 2021 1,777,050 $ 64.72 8.3 $ 70.6 Exercised ( 14,755 ) ( 13.46 ) — — Forfeited or expired ( 1,857 ) — — — Performance-based options outstanding at December 31, 2022 1,760,438 $ 66.10 7.4 $ 0.1 Performance-based options exercisable at December 31, 2022 260,438 $ 70.90 7.5 $ 0.1 In 2020, 1,500,000 performance-based stock options (“Performance Option Award”) were granted under the 2018 EIP with an exercise price of $ 65.26 . The vesting conditions for the Performance Option Award are based on our performance on the New York Stock Exchange (“NYSE”) with (i) 750,000 shares available to vest when our per share closing price on the NYSE meets or exceeds $ 110.94 , or 1.7 times the exercise price, for ten consecutive trading days (“Performance Metric #1”) and (ii) the remaining 750,000 shares are available to vest when our per share closing price on the NYSE meets or exceeds $ 130.52 , or 2.0 times the exercise price, for ten consecutive trading days (“Performance Metric #2”, collectively with Performance Metric #1, the “Performance Metrics”). The vesting conditions of the Performance Metrics must be achieved prior to May 8, 2025, or any unvested portion of the Performance Option Award will terminate. Further, no portion of the Performance Option Award will vest and become exercisable until May 8, 2023, the third anniversary of the Grant Date (the “Time-Based Metric”). The shares underlying Performance Metric #1, which was achieved on October 6, 2021, will vest and become exercisable on May 8, 2023 provided that continuous employment is maintained through that date. If Performance Metric #2 is met prior to satisfying the Time-Based Metric, the shares underlying Performance Metric #2 will vest and become exercisable on May 8, 2023 provided that continuous employment is maintained through that date. If the Time-Based Metric is met and Performance Metric #2 has not been met on or prior to May 8, 2025, the Performance Option Award will be terminated. We have estimated an expected term of 5.3 years, based on the vesting period and contractual term. The remaining performance-based stock options granted during the twelve months ended December 31, 2020, under the 2018 EIP primarily include vesting conditions based on migrations of customers to Dayforce. There are two tranches of stock options, in which the vesting conditions must be met either prior to September 13, 2021, or September 13, 2022. The weighted average grant date fair value of these performance-based stock options granted in 2020 was $ 16.03 per share. The performance criteria for certain of these awards have been met and share-based compensation expense was recognized during the year ended December 31, 2022. As of December 31, 2022 , there was $ 2.6 million of share-based compensation expense related to unvested performance-based stock option awards not yet recognized, which is expected to be recognized over a weighted average period of 0.3 years. Term-Based Stock Options Term-based stock option activity under the 2007 SIP, the 2013 SIP, and the 2018 EIP, was as follows: Shares Weighted Weighted Aggregate Term-based options outstanding at December 31, 2019 13,144,937 $ 29.74 7.8 $ 501.3 Granted 2,282,334 66.06 — — Exercised ( 3,889,096 ) ( 20.42 ) — — Forfeited or expired ( 555,101 ) ( 32.09 ) — — Term-based options outstanding at December 31, 2020 10,983,074 $ 40.47 7.8 $ 725.9 Granted 759,126 84.07 — — Exercised ( 2,942,465 ) ( 26.71 ) — — Forfeited or expired ( 283,866 ) ( 48.62 ) — — Term-based options outstanding at December 31, 2021 8,515,869 $ 48.87 7.3 $ 473.4 Granted 81,145 56.29 — — Exercised ( 931,520 ) ( 32.14 ) — — Forfeited or expired ( 369,408 ) ( 58.59 ) — — Term-based options outstanding at December 31, 2022 7,296,086 $ 50.59 6.4 $ 117.4 Term-based options exercisable at December 31, 2022 4,965,415 $ 44.23 6.4 $ 104.9 Other information pertaining to term-based options was as follows: Year Ended December 31, 2022 2021 2020 Weighted average grant date fair value per share $ 24.12 $ 33.09 $ 21.15 The fair value of the term-based stock options was estimated at the date of grant using the Black-Scholes option pricing model with the following weighted-average assumptions: Year Ended December 31, 2022 2021 2020 Expected volatility 40.7 % 35.8 % 29.8 % Expected dividend rate — — — Risk-free interest rate 2.6 % 1.3 % 0.6 % For stock options granted under the 2013 SIP and 2018 EIP, we estimated an expected term of 7.0 years, based on the vesting period and contractual life. As of December 31, 2022 , there was $ 30.0 million of share-based compensation expense related to unvested term-based awards not yet recognized, which is expected to be recognized over a weighted average period of 0.7 years. As of December 31, 2022 , there were 4,965,415 vested term-based stock options. Restricted Stock Units RSU activity under the 2013 SIP and the 2018 EIP, was as follows: Shares RSUs outstanding at December 31, 2019 819,818 Granted 685,997 Shares issued upon vesting of RSUs ( 73,475 ) Forfeited or canceled ( 42,955 ) RSUs outstanding at December 31, 2020 1,389,385 Granted 890,852 Shares issued upon vesting of RSUs ( 262,239 ) Forfeited or canceled ( 82,059 ) RSUs outstanding at December 31, 2021 1,935,939 Granted 1,624,345 Shares issued upon vesting of RSUs ( 504,586 ) Forfeited or canceled ( 164,881 ) RSUs outstanding at December 31, 2022 2,890,817 RSUs releasable at December 31, 2022 661,484 Other information pertaining to RSUs was as follows: Year Ended December 31, 2022 2021 2020 Weighted average grant date fair value per share $ 69.35 $ 85.08 $ 69.57 During the year ended December 31, 2022 , 568,134 RSUs vested, of which 504,586 shares of common stock were issued. As of December 31, 2022 , there were 661,484 RSUs vested and releasable. RSUs generally vest quarterly or annually over a one -, three -, or four-year period. As of December 31, 2022 , there was $ 102.6 million of share-based compensation expense related to unvested RSUs not yet recognized, which is expected to be recognized over a weighted average period of 1.4 years. Performance Stock Units PSU activity under the 2018 EIP was as follows: Shares PSUs outstanding at December 31, 2019 — Granted 145,017 Forfeited or canceled ( 9,797 ) PSUs outstanding at December 31, 2020 135,220 Granted 348,483 Shares issued upon vesting of PSUs ( 2,050 ) Forfeited or canceled ( 162,908 ) PSUs outstanding at December 31, 2021 318,745 Granted 582,662 Shares issued upon vesting of PSUs ( 168,414 ) Forfeited or canceled ( 26,526 ) PSUs outstanding at December 31, 2022 706,467 PSUs releasable at December 31, 2022 — The vesting conditions for the PSUs granted in 2020 were based on the Company’s performance against Cloud revenue and adjusted EBITDA margin goals under Ceridian HCM Holding Inc. 2020 Management Incentive Plan (the “2020 MIP”) for the incentive period of January 1, 2020 through December 31, 2020. The vesting conditions for the PSUs were not met for the 2020 incentive period and as a result, the PSUs did no t vest and no share-based compensation expense was recognized for these awards during the year ended December 31, 2020. In 2021, we granted PSUs under the Ceridian HCM Holding Inc. 2021 Management Incentive Plan (the “2021 MIP”) for the incentive period of January 1, 2021 through December 31, 2021, and also as part of long term incentive grants to certain members of management. Under the 2021 MIP, the vesting conditions were based on our performance criteria, including Cloud revenue and adjusted EBITDA margin goals. The maximum incentive vesting of PSUs may not exceed 150 %. Both the Cloud revenue and adjusted EBITDA margin goals were calculated based on our operating results, adjusted for foreign currency and interest rate impacts plus other unique impacts as approved by the Compensation Committee of the Board of Directors. Upon vesting of a PSU, a participant will receive shares of our common stock. Based on the performance criteria achieved, most of the PSUs vested in March 2022 and share-based compensation was recognized in accordance with the achievement level. One-third of the PSUs granted in 2021 as part of long term incentive grants to certain members of management vested on March 8, 2022 , and will vest on each March 8, 2023 , and March 8, 2024 . On February 24, 2022, we granted PSUs under the 2022 Ceridian HCM Holding Inc. Management Incentive Plan (the “2022 MIP”) for the incentive period of January 1, 2022 through December 31, 2022, and also as part of long term incentive grants to certain members of management. The vesting conditions were based on the following performance criteria: (1) the Cloud revenue, excluding float revenue (the “Cloud Revenue Goal”) (2) the adjusted EBITDA, excluding float revenue (the “Adjusted EBITDA Goal”), and (3) the Sales per employee per month (“PEPM”) annual contract value (“ACV”) (the “Sales PEPM ACV Goal”), for fiscal year 2022 (collectively the “Performance Goals”). Both the Cloud Revenue Goal and the Adjusted EBITDA Goal are calculated based on our operating results on a constant currency basis as adjusted to exclude: float revenue; foreign exchange gain (loss); share-based compensation expense and related employer taxes; severance charges; restructuring consulting fees; significant acquisitions or disposals and related transaction costs; as well as other non-recurring items, subject to the Board of Directors approval. The Sales PEPM ACV Goal is calculated based on the sales of our solutions on a constant currency basis that contribute to Cloud recurring revenue. The vesting conditions for the PSU awards granted in 2022 were determined based on our performance against the achievement of the Performance Goals, and the payout that a participant can receive may be between 0 % for not meeting the applicable thresholds of any of the Performance Goals, up to a maximum total payout of 167 % for achieving the maximum level of all of the Performance Goals. Upon vesting of a PSU, a participant will receive shares of our common stock. Based on the performance criteria achieved, most of the PSUs related to the 2022 MIP and one-third of the PSUs related to the long term incentive grants to certain members of management are expected to vest in March 2023 and share-based compensation was recognized in accordance with the achievement level. As of December 31, 2022 , there was $ 11.8 million of share-based compensation expense related to unvested PSUs not recognized related to certain members of management with long term incentive PSUs that have a three-year vesting period. Global Employee Stock Purchase Plan On November 9, 2018, the Compensation Committee of the Board of Directors approved the Ceridian HCM Holding Inc. Global Employee Stock Purchase Plan (the “GESPP”), which authorizes the issuance of up to 2,500,000 shares of common stock to eligible participants through purchases via payroll deductions. The purchase price is the lower of 85 % of the fair market value of a share of common stock on (i) January 1 or (ii) the purchase date. The GESPP shall continue for ten years , unless terminated sooner as provided under the GESPP. During 2022, shares were purchased on March 31, June 30, September 30, and December 31. Our GESPP activity was as follows: Year Ended December 31, 2022 2021 Shares issued 243,043 153,235 Weighted average purchase price (per share) $ 48.59 $ 81.69 The fair value of the stock purchase rights granted under the GESPP was estimated using the following weighted-average assumptions: Year Ended December 31, 2022 2021 2020 Expected volatility 29.3 % 33.7 % 46.4 % Expected dividend rate — — — Risk-free interest rate 0.2 % 0.1 % 1.1 % Expected term (in years) 0.3 0.3 0.3 Grant date fair value per share $ 21.16 $ 22.07 $ 17.11

Revenue

Revenue	12 Months Ended
Revenue	Dec. 31, 2022
Revenue from Contract with Customer [Abstract]
Revenue	12. Re venue Our Solutions We categorize our solutions into two categories: Cloud and Bureau offerings. • Cloud revenue is primarily generated from solutions that are delivered via two Cloud offerings, Dayforce and Powerpay. The Dayforce offering is a single application with continuous calculation that offers a comprehensive range of functionality, including global HR, payroll, benefits, workforce management, and talent intelligence on web and native iOS and Android platforms. Dayforce recurring revenue is primarily generated from monthly recurring fees charged on a PEPM basis and the allocation of investment income generated from holding Dayforce customer funds before funds are remitted to taxing authorities, Dayforce customer employees, or other third parties. Dayforce professional services and other revenue is primarily generated from implementation and post go-live professional services revenue. Other sources of Dayforce revenues include revenue from the sale, rental and maintenance of time clocks; revenue from the sale of third-party services; billable travel expenses for Dayforce customers, and Dayforce Wallet interchange fee revenue. The Powerpay offering is our solution designed primarily for small market Canadian customers, which typically have fewer than 20 employees. Powerpay recurring revenue is primarily generated from recurring fees charged on a per-employee, per-process basis and the allocation of investment income generated from holding Powerpay customer funds before funds are remitted to taxing authorities, Powerpay customer employees, or other third parties. Typical processes include the customer’s payroll runs, year-end tax packages, and delivery of customers’ remittance advices or checks. Powerpay professional services revenue is primarily generated from the setup of the Powerpay customer on their platform. • Bureau revenue is generated primarily from solutions delivered via a service-bureau model. These solutions are delivered via three primary service lines: payroll, payroll-related tax filing services, and outsourced human resource solutions. Revenue from payroll services is generated from recurring fees charged on a per-process basis. Typical processes include the customer’s payroll runs, year-end tax packages, and delivery of customers’ remittance advices or checks. In addition to customers who use our payroll services, certain customers use our tax filing services on a stand-alone basis. As a result of a modernization upgrade of the technology platforms used to provide those services, recurring revenues from stand-alone tax customers will be classified as Dayforce revenue on a go-forward basis, beginning in 2023. Our outsourced human resource solutions are tailored to meet the needs of individual customers, and entail our contracting to perform many of the duties of a customer’s human resources department, including payroll processing, time and labor management, performance management, and recruiting. We also perform individual services for customers, such as check printing, wage attachment and disbursement, and Affordable Care Act (“ACA”) management. Additional items included in Bureau revenue are fees for custom professional services to Bureau customers; the allocation of investment income generated from holding Bureau customer funds before funds are remitted to taxing authorities, Bureau customer employees, or other third parties; consulting services related to Bureau offerings; revenue from the sale of third party services to Bureau customers; and Excelity revenue. Customer Information No single customer accounts for 10 % or more of our consolidated revenue for any of the periods presented. Disaggregation of Revenue Revenue by solution and category was as follows: Year Ended December 31, 2022 2021 2020 (Dollars in millions) Revenue: Cloud Dayforce Recurring $ 815.2 $ 626.6 $ 500.2 Professional services and other 181.7 159.3 148.6 Total Dayforce revenue 996.9 785.9 648.8 Powerpay Recurring 93.2 86.3 79.5 Professional services and other 0.7 0.9 1.1 Total Powerpay revenue 93.9 87.2 80.6 Total Cloud revenue 1,090.8 873.1 729.4 Bureau Recurring 139.2 137.8 110.5 Professional services and other 16.2 13.3 2.6 Total Bureau revenue 155.4 151.1 113.1 Total revenue $ 1,246.2 $ 1,024.2 $ 842.5 Recurring revenue includes float revenue of $ 80.2 million, $ 41.1 million, and $ 52.3 million for the year ended December 31, 2022, 2021, and 2020, respectively. Revenue by Geographic Area The country in which the revenue is recorded is determined by the legal entity with which the customer has contracted. Revenue by country was as follows: Year Ended December 31, 2022 2021 2020 (Dollars in millions) United States $ 784.1 $ 624.4 $ 579.3 Canada 288.6 254.2 223.5 Other 173.5 145.6 39.7 Total revenue $ 1,246.2 $ 1,024.2 $ 842.5 Contract Balances The Company records a contract asset when revenue recognized for professional services or cloud recurring subscription performance obligations exceed the contractual amount of billings for implementation related professional services and recurring subscriptions. Contract assets were $ 68.5 million and $ 62.7 million as of December 31, 2022 and 2021, respectively. Contract assets expected to be recognized in revenue within twelve months are included within Prepaid expenses and other current assets, with the remaining contract assets included within Other assets on our consolidated balance sheets. Deferred Revenue Deferred revenue primarily consists of payments received in advance of revenue recognition. The changes in deferred revenue were as follows: December 31, 2022 2021 (Dollars in millions) Deferred revenue, beginning of period $ 48.7 $ 24.4 New billings 673.6 565.0 Acquired billings — 16.6 Revenue recognized ( 679.2 ) ( 556.5 ) Effect of exchange rate ( 1.9 ) ( 0.8 ) Deferred revenue, end of period $ 41.2 $ 48.7 Transaction Price for Remaining Performance Obligations As of December 31, 2022 , approximately $ 1,143.6 million of revenue is expected to be recognized over the next three years from remaining performance obligations, which represents contracted revenue for recurring services and fixed price professional services, primarily implementation services, that has not yet been recognized, including deferred revenue and unbilled amounts that will be recognized as revenue in future periods. In accordance with the practical expedient provided in ASC Topic 606, performance obligations that are billed and recognized as they are delivered, primarily professional services contracts that are on a time and materials basis, are excluded from the transaction price for remaining performance obligations disclosed above.

Accumulated Other Comprehensive

Accumulated Other Comprehensive Income (Loss)	12 Months Ended
Accumulated Other Comprehensive Income (Loss)	Dec. 31, 2022
Equity [Abstract]
Accumulated Other Comprehensive Income (Loss)	13. Accumulated Other Comprehensive Income (Loss) The components of accumulated other comprehensive income (loss) were as follows: Foreign Unrealized Gain Pension Total (Dollars in millions) Balance as of December 31, 2020 $ ( 159.7 ) $ 38.4 $ ( 154.7 ) $ ( 276.0 ) Other comprehensive loss before income taxes and reclassifications ( 17.6 ) ( 48.4 ) ( 9.1 ) ( 75.1 ) Income tax benefit (expense) — 12.8 ( 1.6 ) 11.2 Reclassifications to earnings — — 15.1 15.1 Other comprehensive (loss) income ( 17.6 ) ( 35.6 ) 4.4 ( 48.8 ) Balance as of December 31, 2021 ( 177.3 ) 2.8 ( 150.3 ) ( 324.8 ) Other comprehensive loss before income taxes and reclassifications ( 56.7 ) ( 134.6 ) ( 17.5 ) ( 208.8 ) Income tax benefit — 35.4 1.5 36.9 Reclassifications to earnings — — 11.7 11.7 Other comprehensive loss ( 56.7 ) ( 99.2 ) ( 4.3 ) ( 160.2 ) Balance as of December 31, 2022 $ ( 234.0 ) $ ( 96.4 ) $ ( 154.6 ) $ ( 485.0 )

Income Taxes

Income Taxes	12 Months Ended
Income Taxes	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Income Taxes	14. Inco me Taxes Year Ended December 31, 2022 2021 2020 (Dollars in millions) Components of Earnings and Taxes from Operations Loss before income taxes: U.S. $ ( 0.7 ) $ ( 73.6 ) $ 41.5 International ( 62.2 ) ( 16.7 ) ( 61.6 ) Total $ ( 62.9 ) $ ( 90.3 ) $ ( 20.0 ) Income tax expense (benefit): Current: U.S. $ 4.5 $ 0.9 $ ( 6.5 ) State and local 1.9 0.4 0.1 International 5.8 22.3 ( 2.6 ) Total current income tax expense (benefit) 12.2 23.6 ( 9.0 ) Deferred: U.S. 7.8 ( 22.3 ) ( 1.1 ) State and local ( 2.1 ) ( 5.0 ) 0.1 International ( 7.4 ) ( 11.2 ) ( 6.0 ) Total deferred income tax benefit ( 1.7 ) ( 38.5 ) ( 7.0 ) Total income tax expense (benefit) $ 10.5 $ ( 14.9 ) $ ( 16.0 ) Year Ended December 31, 2022 2021 2020 Effective Tax Rate Reconciliation Federal statutory tax rate 21.0 % 21.0 % 21.0 % Change in valuation allowance 2.5 ( 0.7 ) ( 0.3 ) State income taxes, net of federal benefit 0.8 5.9 2.2 Share-based compensation ( 25.6 ) ( 3.5 ) 3.9 International tax rate differential 0.2 ( 2.4 ) 8.9 Foreign capital gain income — ( 1.3 ) ( 7.5 ) Unremitted foreign earnings — 2.9 14.5 Acquisition costs — ( 2.3 ) — Base erosion tax ( 5.7 ) ( 1.6 ) 33.9 Global intangible low taxed income ( 11.3 ) — — Reserve for tax contingencies — 2.1 1.2 Change in tax rate 1.6 — — Unutilized tax benefits — ( 3.4 ) — Other ( 0.2 ) ( 0.2 ) 2.2 Total tax rate ( 16.7 )% 16.5 % 80.0 % Our income tax provision represents federal, state, and international taxes on our income recognized for financial statement purposes and includes the effects of temporary differences between financial statement income and income recognized for tax return purposes. Deferred tax assets and liabilities are recorded for temporary differences between the financial reporting basis and the tax basis of assets and liabilities. We record a valuation allowance to reduce our deferred tax assets to reflect the net deferred tax assets that we believe will be realized. In assessing the likelihood that we will be able to recover our deferred tax assets and the need for a valuation allowance, we consider all available evidence, both positive and negative, including historical levels of pre-tax book income, expiration of net operating losses, changes in our debt and equity structure, expectations and risks associated with estimates of future taxable income, ongoing prudent and feasible tax planning strategies, as well as current tax laws. As of December 31, 2022 , we have a valuation allowance of $ 44.1 million against certain deferred tax assets primarily consisting of $ 31.0 million for deferred tax assets attributable to previous business combinations, and $ 12.4 million attributable to state net operating loss carryovers. December 31, 2022 2021 (Dollars in millions) Tax Effect of Items That Comprise a Significant Portion of the Net Deferred Tax Asset and Deferred Tax Liability Deferred tax asset: Employment related accruals $ 27.8 $ 16.9 Intangibles 13.5 10.6 Software development costs 14.9 — Customer funds 31.2 — Other 33.7 19.2 Foreign tax credit carryover and other credit 0.3 0.6 Net operating loss carryforwards 120.8 161.5 Total gross deferred tax asset 242.2 208.8 Valuation allowance ( 44.1 ) ( 46.8 ) Total deferred tax asset $ 198.1 $ 162.0 Deferred tax liability: Intangibles $ ( 60.8 ) $ ( 75.4 ) Deferred contract costs ( 33.5 ) ( 29.4 ) Other ( 7.8 ) ( 24.6 ) Total deferred tax liability ( 102.1 ) ( 129.4 ) Net deferred tax asset $ 96.0 $ 32.6 December 31, 2022 2021 (Dollars in millions) Net Deferred Tax by Geography U.S. $ 79.8 $ 38.9 International 16.2 ( 6.3 ) Total $ 96.0 $ 32.6 As of December 31, 2022 , we had federal, state, and foreign net operating loss carryovers, which will reduce future taxable income when utilized. Approximately $ 66.2 million in net federal tax benefit is available from the loss carryovers and an additional $ 0.3 million is available in tax credit carryovers. $ 14.8 million of the federal net operating loss tax benefit will expire from 2031 to 2037 . The remaining $ 51.4 million has an indefinite carryover period. The state loss carryovers and foreign loss carryovers will result in a tax benefit of approximately $ 32.5 million and $ 22.1 million, respectively, when utilized. The state net operating loss carryovers will begin to expire in 2023 . The majority of the foreign operating loss carryovers have an indefinite carryover period. The $ 0.3 million tax credit carryover is composed of a variety of credits most of which expire between 2027 and 2042 . We file income tax returns in the U.S. federal jurisdiction, and various states and foreign jurisdictions. With a few exceptions, we are no longer subject to U.S. federal, state and local, or non-U.S. income tax examinations by tax authorities for years before 2018. The following table summarizes the activity for unrecognized tax benefits: Year Ended 2022 2021 (Dollars in millions) Federal, State and Foreign Tax Beginning unrecognized tax balance $ — $ 1.8 Increase prior period positions — — Increase current period positions — — Decrease prior period positions — ( 1.8 ) Ending unrecognized tax benefits $ — $ — There were no unrecognized tax benefits as of December 31, 2022 and 2021. We make adjustments to these reserves when facts and circumstances change, such as the closing of tax audits or the refinement of an estimate. To the extent that the final tax outcome of these matters is different than the amounts recorded, such differences will affect the provision for income taxes in the period in which such determination is made and could have a material impact on our financial condition and operating results. As of December 31, 2022 , we have $ 343.5 million of unremitted foreign earnings. We consider all the unremitted earnings to be indefinitely reinvested. Because all unremitted earnings are considered to be indefinitely reinvested, no deferred tax liability has been recorded. It is not practical to make a determination of any unrecognized tax liability because of the complexities of the hypothetical calculation.

Leases

Leases	12 Months Ended
Leases	Dec. 31, 2022
Leases [Abstract]
Leases	15. Lea ses Our leases primarily consist of office space. Leases with an initial term of 12 months or less are not recorded on the balance sheet; we recognize lease expense for these leases on a straight-line basis over the lease term. For leases beginning 2019 and later, we account for lease components separately from the non-lease components. Most leases include options to renew, and the lease renewal is at our sole discretion. Therefore, the depreciable life of assets and leasehold improvements is limited by the expected lease term unless there is a transfer of title or purchase option reasonably certain of exercise. Our lease agreements do not contain any material residual value guarantees or material restrictive covenants. We rent or sublease certain real estate to third parties. Our sublease portfolio mainly consists of operating leases for space within our office facilities. As a result of the coronavirus disease 2019 ("COVID-19") and our pivot to a virtual working environment, we evaluated our lease portfolio resulting in the decision to close certain office locations and transition the impacted employees to fully virtual work. During the year ended December 31, 2021, we recognized $ 1.8 million of charges related to lease abandonment costs, and during the year end December 31, 2020, we recognized $ 16.8 million of charges, which was comprised of $ 14.7 million of accelerated amortization of the right of use assets and $ 2.1 million of accelerated depreciation of leasehold improvements, related to the abandonment of the leases associated with these office locations. These charges were recognized within selling, general and administrative expense in the consolidated statements of operations. On December 15, 2021, we sold the office building, land, and fixed assets of our St. Petersburg, Florida facility for $ 40 million, less fees and expenses, resulting in a gain on the sale of $ 19.1 million, which was recognized in the consolidated statements of operations within selling, general, and administrative expense. Upon the sale of the building, we entered into a two year agreement to lease a portion of the building as of the sale date. Supplemental balance sheet information related to leases was as follows: Lease Type Balance Sheet Classification December 31, 2022 December 31, 2021 (Dollars in millions) ASSETS Operating lease assets Trade and other receivables, net $ 0.1 $ 0.2 Operating lease assets Prepaid expenses and other current assets 2.8 3.4 Operating lease assets Right of use lease asset 24.3 29.4 Financing lease assets Property, plant, and equipment, net 7.0 8.3 Total lease assets $ 34.2 $ 41.3 LIABILITIES Current Financing lease liabilities Current portion of long-term debt $ 1.0 $ 1.5 Operating lease liabilities Current portion of long-term lease liabilities 10.0 11.3 Noncurrent Financing lease liabilities Long-term debt, less current portion 7.4 8.1 Operating lease liabilities Long-term lease liabilities, less current portion 23.7 32.7 Total lease liabilities $ 42.1 $ 53.6 The components of lease expense were as follows: Year Ended December 31, 2022 2021 2020 Lease Cost (Dollars in millions) Operating lease cost $ 9.8 $ 6.1 $ 9.1 Financing lease cost: Depreciation of lease assets 1.3 1.3 0.8 Interest on lease liabilities 0.3 0.3 0.4 Sublease income ( 0.5 ) ( 2.2 ) ( 4.1 ) Net lease cost $ 10.9 $ 5.5 $ 6.2 Supplemental cash flow information related to leases was as follows: Year Ended December 31, 2022 2021 (Dollars in millions) Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from operating leases $ 8.7 $ 11.6 Operating cash flows from finance leases 0.3 1.9 Financing cash flows from finance leases 1.6 1.0 Lease assets obtained in exchange for new lease liabilities: Operating leases 7.8 2.2 The future minimum lease payments under our operating and financing leases were as follows: Years Ending December 31, Amount (Dollars in millions) 2023 $ 14.3 2024 11.0 2025 7.9 2026 4.7 2027 2.3 Thereafter 6.2 Total lease payments $ 46.4 Less: Interest 4.3 Total $ 42.1 W eighted average remaining lease term and weighted average discount rate were as follows: December 31, 2022 2021 Weighted average remaining lease term (in years) Operating leases 3.6 5.8 Financing leases 8.3 8.9 Weighted average discount rate Operating leases 4.34 % 4.07 % Financing leases 3.88 % 3.81 %

Commitments and Contingencies

Commitments and Contingencies	12 Months Ended
Commitments and Contingencies	Dec. 31, 2022
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	16. Commit ments and Contingencies Legal Matters We are subject to claims and a number of judicial and administrative proceedings considered normal in the course of our current and past operations, including employment-related disputes, contract disputes, disputes with our competitors, intellectual property disputes, government audits and proceedings, customer disputes, and tort claims. In some proceedings, the claimant seeks damages as well as other relief, which, if granted, would require substantial expenditures on our part. Our general terms and conditions in customer contracts frequently include a provision indicating we will indemnify and hold our customers harmless from and against any and all claims alleging that the services and materials furnished by us violate any third party’s patent, trade secret, copyright or other intellectual property right. We are not aware of any material pending litigation concerning these indemnifications. Some of these matters raise difficult and complex factual and legal issues and are subject to many uncertainties, including the facts and circumstances of each particular action, and the jurisdiction, forum, and law under which each action is proceeding. Because of these complexities, final disposition of some of these proceedings may not occur for several years. As such, we are not always able to estimate the amount of our possible future liabilities, if any. There can be no certainty that we may not ultimately incur charges in excess of presently established or future financial accruals or insurance coverage. Although occasional adverse decisions or settlements may occur, it is management’s opinion that the final disposition of these proceedings will not, considering the merits of the claims and available resources or reserves and insurance, and based upon the facts and circumstances currently known, have a material adverse effect on our financial position or results of operations. Environmental Matters We accrue for losses associated with environmental remediation obligations when such losses are probable and reasonably estimable. Accruals for estimated losses from environmental remediation obligations generally are recognized no later than completion of the remedial feasibility study. Such accruals are adjusted as further information develops or circumstances change. Costs of future expenditures for environmental remediation obligations are not discounted to their present value. In February 1988, our predecessor entered into an arrangement with Northern Engraving Corporation (“NEC”) and the Minnesota Pollution Control Agency (“MPCA”) in relation to groundwater contamination on a parcel of real estate sold by our predecessor to NEC. We are now responsible for the arrangement with NEC and the MPCA. The arrangement requires expense sharing between us and NEC for the remediation of groundwater contamination. In September 1989, our predecessor entered into an environmental matters agreement ("EMA") with Seagate related to groundwater contamination on a parcel of real estate sold by our predecessor to Seagate. We are now responsible for the EMA. The EMA requires expense sharing between us and Seagate for the remediation of groundwater contamination up to a certain limit. We have recognized an environmental reserve liability equal to the EMA limit. We have recognized an undiscounted liability of approximately $ 4.3 million and $ 4.5 million as of December 31, 2022 and 2021 , respectively, in our consolidated balance sheets to comply with the NEC arrangement and EMA described above. The ultimate cost, however, will depend on the extent of continued monitoring activities as these projects progress.

Related Party Transactions

Related Party Transactions	12 Months Ended
Related Party Transactions	Dec. 31, 2022
Related Party Transactions [Abstract]
Related Party Transactions	17. Related Party Transactions We provide Dayforce and related services to certain companies that are considered related parties. The revenue from these related parties was as follows: Year Ended December 31, Counter-Party Related Persons Interest 2022 2021 2020 (Dollars in millions) FleetCor Technologies, Inc. Shared board members. One board member is also the chief executive officer and the chairman of the counter-party's board $ 0.8 $ 0.6 $ 0.9 The Stronach Group The brother of David D. Ossip, our Chair and Co-Chief Executive Officer, was formerly the chief executive officer, and is currently a minority shareholder 0.1 0.1 0.1 Verve Senior Living David D. Ossip, our Chair and Co-Chief Executive Officer, and his brother are currently minority shareholders 0.4 0.4 0.5 Environmental 360 Solutions David D. Ossip's, our Chair and Co-Chief Executive Officer, brother is a board member 0.2 — — Fidelity National Financial, Inc. Shared board members 0.4 0.4 0.4 Guaranteed Rate, Inc. Portfolio company of Thomas H. Lee Partners, L.P. ("THL"), of which certain members of our board are managing directors 1.7 1.7 0.9 HighTower Advisors, LLC Portfolio company of THL, of which certain members of our board are managing directors. One board member also serves on the board of the counter-party 0.4 0.3 0.2 Ten-X, LLC Portfolio company of THL, of which certain members of our board are managing directors 0.2 0.2 0.2 Smile Doctors Portfolio company of THL, of which certain members of our board are managing directors 1.0 — — The Dun and Bradstreet Corporation Shared board members with Dun & Bradstreet Holdings, Inc., which owns the counter-party 1.8 — — We are party to service agreements with certain companies that are considered related parties. Payments made to related parties were as follows: Year Ended December 31, Counter-Party Related Persons Interest 2022 2021 2020 (Dollars in millions) The Dun and Bradstreet Corporation Shared board members with Dun & Bradstreet Holdings, Inc., which owns the counter-party $ 0.3 $ 0.4 $ 0.4 Manulife Financial Shared board members. Leagh E. Turner, our Co-Chief Executive Officer, also serves as a director 6.0 8.1 7.3

Capital Stock and Net Loss per

Capital Stock and Net Loss per Share	12 Months Ended
Capital Stock and Net Loss per Share	Dec. 31, 2022
Earnings Per Share [Abstract]
Capital Stock and Net (Loss) Income per Share	18. Capital Stock and Net Loss per Share As of December 31, 2022 and 2021 , there were 153,856,645 and 151,995,031 shares of common stock issued and outstanding, respectively. Holders of our common stock are entitled to the rights set forth as follows. Directors are elected by a plurality of the votes entitled to be cast except as set forth below with respect to directors to be elected by the holders of common stock. Our stockholders do not have cumulative voting rights. Except as otherwise provided in our fourth amended and restated certificate of incorporation or as required by law, all matters to be voted on by our stockholders other than matters relating to the elections and removal of directors must be approved by a majority of the shares present in person or by proxy at the meeting and entitled to vote on the subject matter or by a written resolution of the stockholders representing the number of affirmative votes required for such matter at a meeting. Our stockholders have no preemptive or other rights to subscribe for additional shares. All holders of our common stock are entitled to share equally on a share-for-share basis in any assets available for distribution to common stockholders upon our liquidation, dissolution or winding up. All outstanding shares are validly issued, fully paid and nonassessable. Basic net loss per share is computed by dividing net loss available to common stockholders by the weighted-average number of shares of common stock outstanding during the period. For the calculation of diluted net loss per share, net loss per share is adjusted by the effect of dilutive securities, including awards under our share-based compensation plans. Diluted net loss per share is computed by dividing the resulting net loss by the weighted-average number of fully diluted common shares outstanding. In the years ended December 31, 2022, 2021, and 2020 our potential dilutive shares, such as term-based stock options, RSUs, and PSUs were not included in the computation of diluted net loss per share as the effect of including these shares in the calculation would have been anti-dilutive. The basic and diluted net loss per share computations were calculated as follows: Year Ended December 31, 2022 2021 2020 (Dollars in millions, except share and per share data) Numerator: Net loss $ ( 73.4 ) $ ( 75.4 ) $ ( 4.0 ) Denominator: Weighted-average shares outstanding - basic 152,940,299 150,402,321 146,774,471 Effect of dilutive equity instruments — — — Weighted-average shares outstanding - diluted 152,940,299 150,402,321 146,774,471 Net loss per share - basic $ ( 0.48 ) $ ( 0.50 ) $ ( 0.03 ) Net loss per share - diluted $ ( 0.48 ) $ ( 0.50 ) $ ( 0.03 ) The following potentially dilutive shares were excluded from the calculation of diluted net loss per share because their effect would have been anti-dilutive: Year Ended December 31, 2022 2021 2020 Stock options 5,565,875 5,874,818 7,135,159 Restricted stock units 517,130 604,770 745,955 Performance stock units 1,383,847 549,583 229,433 The shares underlying the conversion option in the Convertible Senior Notes were not considered in the calculation of diluted net loss per share as the effect would have been anti-dilutive. Based on the initial conversion price, the entire outstanding principal amount of the Convertible Senior Notes as of December 31, 2022, would have been convertible into approximately 4.3 million shares of our common stock. Since we expect to settle the principle amount of the Convertible Senior Notes in cash, we use the treasury stock method for calculating any potential dilutive effect on diluted net income per share, if applicable. As a result, only the amount by which the conversion value exceeds the aggregate principal amount of the Convertible Senior Notes (the “conversion spread”) is considered in the diluted earnings per share computation. The conversion spread has a dilutive impact on diluted net income per share when the average market price of our common stock for a given period exceeds the initial conversion price of $ 132.20 per share for the Convertible Senior Notes. We excluded the potentially dilutive effect of the conversion spread of the Convertible Senior Notes as the average market price of our common stock during the twelve months ended December 31, 2022, was less than the conversion price of the Convertible Senior Notes. In connection with the issuance of the Convertible Senior Notes, we entered into Capped Calls, which were not included for purposes of calculating the number of diluted shares outstanding, as their effect would have been anti-dilutive.

Subsequent Events

Subsequent Events	12 Months Ended
Subsequent Events	Dec. 31, 2022
Subsequent Events [Abstract]
Subsequent Events	19. Subsequent Events The Office of Comptroller of the Currency authorized the Ceridian National Trust Bank to open on January 3, 2023. Effective on this day, the Ceridian National Trust Bank commenced banking operations, acting as trustee for our U.S. payroll trust.

Summary of Significant Accoun_2

Summary of Significant Accounting Policies (Policies)	12 Months Ended
Summary of Significant Accounting Policies (Policies)	Dec. 31, 2022
Accounting Policies [Abstract]
Basis of Presentation	Basis of Presentation The accompanying consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States (“GAAP”). The accompanying consolidated financial statements include the operations and accounts of Ceridian and all subsidiaries, as well as any variable interest entity (“VIE”) in which we have controlling financial interest. All intercompany balances and transactions have been eliminated from our consolidated financial statements. We consolidate the grantor trusts that hold funds provided by our payroll and tax filing customers pending remittance to employees of those customers or tax authorities in the United States and Canada, although Ceridian does not own the grantor trusts. Under consolidation accounting, the enterprise with a controlling financial interest consolidates a VIE. A controlling financial interest in an entity is determined through analysis that identifies the primary beneficiary which has (1) the power to direct the activities of a VIE that most significantly impact the entity’s economic performance and (2) the obligation to absorb losses of the entity that could potentially be significant to the VIE or the right to receive benefits from the entity that could potentially be significant to the VIE. In addition, ongoing reassessments must be performed to confirm whether an enterprise is the primary beneficiary of a VIE. The grantor trusts are VIEs, and we are deemed to have a controlling financial interest as the primary beneficiary. Please refer to Note 5, “Customer Funds,” for further information on our accounting for these funds.
Use of Estimates	Use of Estimates The preparation of consolidated financial statements in conformity with GAAP requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of our financial statements and our reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Estimates that could significantly affect our results of operations or financial condition include the assignment of fair values to goodwill and other intangible assets and testing for impairment; the testing of impairment of long-lived assets; the determination of our liability for pensions and postretirement benefits; the determination of fair value of equity awards granted; and the resolution of tax matters and legal contingencies. Further discussion on these estimates can be found in related disclosures elsewhere in our notes to the consolidated financial statements.
Cash and Equivalents	Cash and Equivalents As of December 31, 2022 and 2021 , cash and equivalents were comprised of cash held in bank accounts and investments with an original maturity of three months or less.
Concentrations	Concentrations Cash deposits of client and corporate funds are maintained primarily in large credit-worthy financial institutions in the countries in which we operate. These deposits may exceed the amount of any deposit insurance that may be available through government agencies. All deliverable securities are held in custody with large credit-worthy financial institutions, which bear the risk of custodial loss. Non-deliverable securities, primarily money market securities, are held in custody by large, credit-worthy broker-dealers and financial institutions.
Trade and Other Receivables, Net	Trade and Other Receivables, Net Trade and other receivables balances are presented on the consolidated balance sheets net of the allowance for doubtful accounts and the reserve for sales adjustments. We experience credit losses on accounts receivable and, accordingly, must make estimates related to the ultimate collection of the receivables. Specifically, management analyzes accounts receivable, historical bad debt experience, customer concentrations, customer creditworthiness, and current economic trends when evaluating the adequacy of the allowance for doubtful accounts. We estimate the reserve for sales adjustment based on historical sales adjustment experience. We write off accounts receivable when we determine that the accounts are uncollectible, generally upon customer bankruptcy or the customer’s nonresponse to continued collection efforts.
Property, Plant, and Equipment, Net	Property, Plant, and Equipment, Net Our property, plant, and equipment assets are stated at cost less accumulated depreciation. Depreciation is calculated on a straight-line basis over the shorter of the remaining lease term or estimated useful life of the related assets, which are generally as follows: Building improvements 5 years Machinery and equipment 4 - 6 years Computer equipment 3 - 4 years Repairs and maintenance costs are expensed as incurred. We capitalized interest of $ 0.8 million and $ 0.4 million in property, plant, and equipment, net during the years ended December 31, 2022 and 2021, respectively. Property, plant, and equipment assets are assessed for impairment as described under the heading “ Impairment of Long-Lived Assets ” below.
Business Combinations	Business Combinations In accordance with Accounting Standards Codification (“ASC”) Topic 805, Business Combinations, we use the acquisition method of accounting and allocate the fair value of purchase consideration to the assets acquired and liabilities assumed based on their respective estimated fair values as of the acquisition date. Goodwill represents the excess of purchase consideration transferred over the estimated fair value of the identifiable net assets acquired in a business combination. Assigning estimated fair values to the net assets acquired requires the use of significant estimates, judgments, inputs, and assumptions regarding the fair value of the assets acquired and liabilities assumed. Estimated fair values of assets acquired and liabilities assumed are generally based on available historical information, independent valuations or appraisals, future expectations, and assumptions determined to be reasonable but are inherently uncertain with respect to future events, including economic conditions, competition, the useful life of the acquired assets, and other factors. The measurement period for assigning fair values to the net assets acquired will end when the information, or the facts and circumstances, becomes available, but will not exceed one year from the date of acquisition. The judgments made in determining the estimated fair value assigned to assets acquired and liabilities assumed, as well as the estimated useful life and depreciation or amortization method of each asset, can materially impact the net earnings of the periods subsequent to the acquisition through depreciation and amortization, and in certain instances through impairment charges, if the asset becomes impaired in the future. During the measurement period, any purchase price allocation changes that impact the carrying value of goodwill affects any measurement of goodwill impairment taken during the measurement period, if applicable. If necessary, purchase price allocation revisions that occur outside of the measurement period are recorded within our consolidated statement of operations depending on the nature of the adjustment. Refer to Note 3, “Business Combinations” , for additional information regarding our accounting for recent business combinations.
Goodwill and Intangible Assets	Goodwill and Intangible Assets Goodwill, which represents the excess purchase price over the fair value of net assets of businesses acquired, is assigned to reporting units based on the benefits derived from the acquisition. Goodwill and indefinite-lived intangible assets, which consist of trade names, are not amortized against earnings, but instead are tested for impairment on an annual basis, or more frequently if certain events or circumstances occur that could indicate impairment. We perform our annual assessment of goodwill and indefinite-lived intangible assets as of October 1. We assess goodwill impairment risk by comparing the fair value of the net assets with the carrying amount of the reporting unit. We determine the fair value of the reporting unit based on our market capitalization at the testing date. If the carrying amount of the goodwill exceeds the fair value of the reporting unit, goodwill may be impaired. To the extent that the carrying amount of the reporting unit exceeds the fair value of the reporting unit, an impairment loss is recognized. We assess indefinite-lived intangible assets impairment by performing a qualitative review. If the qualitative assessment indicates it is more likely than not the fair value of an indefinite-lived intangible asset is less than the carrying amount, a quantitative test is applied and, the carrying amount is compared to its estimated fair value. The estimate of fair value is based on a relief from royalty method which calculates the cost savings associated with owning rather than licensing the trade name. An estimated royalty rate is applied to forecasted revenue and the resulting cash flows are discounted. Definite-lived assets are assessed for impairment as described under the heading “Impairment of Long-Lived Assets” below. Intangible assets represent amounts assigned to specifically identifiable intangible assets at the time of an acquisition. Definite-lived assets are amortized on a straight-line basis generally over the following periods: Customer lists and relationships 4 - 12 years Trade name 3 - 5 years Technology 3 - 5 years
Internally Developed Software Costs	Internally Devel oped Software Costs In accordance with ASC Topic 350, we capitalize costs associated with software developed or obtained for internal use when both the preliminary project stage is completed and our management has authorized further funding for the project, which it deems probable of completion. Capitalized software costs include only: (1) external direct costs of materials and services consumed in developing or obtaining the software; (2) payroll and payroll-related costs for employees who are directly associated with and who devote time to the project; and (3) interest costs incurred while developing the software. Capitalization of these costs ceases no later than the point at which the project is substantially complete and ready for its intended purpose. We do not include general and administrative costs and overhead costs in capitalizable costs. Research and development costs, product management, and other software maintenance costs related to software development are expensed as incurred. We had capitalized software costs, net of accumulated amortization, of $ 133.4 million and $ 92.8 million as of December 31, 2022, and 2021 , respectively, included in property, plant, and equipment, net in the accompanying consolidated balance sheets. We amortize software costs on a straight-line basis over the expected life of the software, generally a range of two to seven years . Amortization of software costs totaled $ 43.5 million, $ 37.0 million, and $ 30.6 million for the years ended December 31, 2022, 2021, and 2020 , respectively.
Impairment of Long-Lived Assets	Impairm ent of Long-Lived Assets Long-lived assets, such as property, plant, and equipment, capitalized software, and definite-lived intangible assets are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset group may not be recoverable. Recoverability of asset groups to be held and used is measured by a comparison of the carrying amount of an asset group to the estimated undiscounted future cash flows expected to be generated by the asset group. If the carrying amount of an asset group exceeds its estimated future cash flows, an impairment charge is recognized for the amount by which the carrying amount of the asset group exceeds the fair value of the asset group.
Deferred Costs	Deferred Costs Deferred costs primarily consist of deferred sales commissions. Sales commissions paid based on the annual contract value of a signed customer contract are considered incremental and recoverable costs of obtaining a contract with a customer. Sales commissions paid based on the annual contract value are deferred and then amortized on a straight-line basis over a period of benefit. As of December 1, 2022, we increased the expected period of benefit of our deferred sales commissions from five years to ten years . This change in accounting estimate and related customer period of benefit is largely attributable to new evidence of longer customer relationships such as increases in the proportion of new customer contracts greater than three years as well as our continued high customer retention rates. The change was made on a prospective basis. The effect of this change reduced amortization expense by $ 3.2 million for the twelve months ended December 31, 2022. The change in estimate will also impact future periods, with an estimated reduction to amortization expense in the range of $ 35 million to $ 37 million for the twelve months ended December 31, 2023. Deferred costs included within Other assets on our consolidated balance sheets were $ 151.2 million and $ 144.5 million as of December 31, 2022 and 2021 , respectively. Amortization expense for the deferred costs was $ 48.9 million, $ 46.4 million, and $ 38.8 million for the years ended December 31, 2022, 2021, and 2020 , respectively.
Revenue Recognition	Revenue Recognition The core principle of ASC Topic 606 is that revenue is recognized upon transfer of control of promised products or services to customers in an amount that reflects the consideration we expect to receive in exchange for those products or services. In accordance with ASC Topic 606, we perform the following steps to determine revenue to be recognized: 1) Identify the contract(s) with a customer; 2) Identify the performance obligations in the contract; 3) Determine the transaction price; 4) Allocate the transaction price to the performance obligations in the contract; and 5) Recognize revenue when (or as) we satisfy a performance obligation. The significant majority of our two major revenue sources (recurring and professional services and other) are derived from contracts with customers. Recurring revenues are primarily related to our Cloud subscription performance obligations. Professional services and other revenues are primarily related to professional services for our Cloud customers (including implementation services to activate new accounts, as well as post go-live professional services typically billed on a time and materials basis) and, to a much lesser extent, fees for other non-recurring services, including sales of time clocks and certain client reimbursable out-of-pocket expenses. Fees charged to Cloud subscription performance obligations are generally priced either on a per-employee, per-month (“PEPM”) basis for a given month or on a per-employee, per-process basis for a given process; and fees charged for professional services are typically priced on a fixed fee basis for activating new accounts and on a time and materials basis for post go-live professional services. There is typically no variable consideration related to our recurring Cloud subscriptions or our activation services, nor do they include a significant financing component, non-cash consideration, or consideration payable to a customer. Our recurring Cloud subscriptions are typically billed one month in advance while our professional services are billed over the implementation period for activation of new accounts and as work is performed for post go-live professional services. Our Cloud services arrangements include multiple performance obligations, and transaction price allocations are based on the stand-alone selling price ("SSP") for each performance obligation. Our contract renewal rates serve as an observable input to establish SSP for our recurring Cloud subscription performance obligations. The SSP for professional services performance obligations is estimated based on market conditions and observable inputs, including rates charged by third parties to perform implementation services. For our performance obligations, the consideration allocated to Cloud subscription revenues is recognized as recurring revenues, typically commencing when an instance is provisioned to the customer. The consideration allocated to professional services to activate a new account is recognized as professional services revenues based on the proportion of total work performed, using reasonably dependable estimates (in relation to progression through the implementation phase), by solution.
Recurring Revenues	Recurring Revenues For our Dayforce solutions, we primarily charge monthly recurring fees on a PEPM basis, generally one-month in advance of service, based on the number and type of solutions provided to the customer and the number of employees at the customer. We charge Powerpay customers monthly recurring fees on a per-employee, per-process basis. For our Bureau solutions, we typically charge monthly recurring fees on a per-process basis. The typical recurring customer contract has an initial term between three and five years . Any credits related to service level commitments are recognized as incurred, as service level failures are not anticipated at contract signing. Should a customer cancel the initial contract, an early termination fee may be applicable, and revenue is recognized upon col lection. We also generate recurring revenue from investment income on our Cloud and Bureau customer funds before such funds are remitted to taxing authorities, customer employees, or other third parties. We refer to this investment income as float revenue. Please refer to Note 12, “Revenue,” for a full description of our sources of revenue.
Professional Services and Other Revenues	Professional Services and Other Revenues Professional services and other revenues consist primarily of charges relating to the work performed to assist customers with the planning, design, and implementation of their solutions. Also included in professional services are any related training services, post-implementation professional services, and shipment of time clocks purchased by customers. We also generate professional services and other revenues from custom professional services and consulting services that we provide and for certain third-party services that we arrange for our Bureau customers. Professional services revenue is primarily recognized as hours are incurred.
Cost of Revenue	Cost of Revenue Cost of revenue consists of costs to deliver our revenue-producing services. Most of these costs are recognized as incurred, that is, as we become obligated to pay for them. Some costs of revenue are recognized in the period that a service is sold and delivered. Other costs of revenue are recognized over the period of use or in proportion to the related revenue. The costs recognized as incurred consist primarily of customer service staff costs, customer technical support costs, implementation personnel costs, costs of hosting applications, consulting and purchased services, delivery services, and royalties. The costs of revenue recognized over the period of use are depreciation and amortization, rentals of facilities and equipment, and direct and incremental costs associated with deferred implementation service revenue. Cost of recurring revenues primarily consists of costs to provide maintenance and technical support to our customers, and the costs of hosting our applications. The cost of recurring revenues includes compensation and other employee-related expenses for data center staff, payments to outside service providers, data center, and networking expenses. Cost of professional services and other revenues primarily consists of costs to provide implementation consulting services and training to our customers, as well as the cost of time clocks. Costs to provide implementation consulting services include compensation and other employee-related expenses for professional services staff, costs of subcontractors, and travel. Product development and management expense includes costs related to software development activities that do not qualify for capitalization, such as development, quality assurance, testing of new technologies, and enhancements to our existing solutions that do not result in additional functionality. Product development and management expense also includes costs related to the management of our solutions. Research and development expense was $ 92.3 million, $ 81.1 million, and $ 39.6 million for the years ended December 31, 2022, 2021, and 2020, respectively. Depreciation and amortization related to cost of revenue primarily consists of amortization of capitalized software.
Selling, General, and Administrative Expense	Selling, General, and Administrative Expense Selling expense includes costs related to maintaining a direct marketing infrastructure and sales force and other direct marketing efforts, such as marketing events, advertising, telemarketing, direct mail, and trade shows. Advertising costs are expensed as incurred. Advertising expense was $ 11.3 million, $ 7.5 million, and $ 5.5 million for the years ended December 31, 2022, 2021, and 2020, respectively. General and administrative expense includes costs that are not directly related to delivery of services, selling efforts, or product development, primarily consisting of corporate-level costs, such as administration, finance, legal, and human resources. Also included in this category are depreciation, and amortization of other intangible assets not reflected in cost of revenue, and the provision for doubtful accounts receivable.
Other Expense (Income), Net	Other Expense (Income), Net Other expense (income), net includes the results of transactions that are not appropriately classified in another category. These items are primarily foreign currency translation gains and losses resulting from transactions denominated in foreign currencies and net periodic pension costs.
Income Taxes	Income Taxes Income taxes have been provided for using the asset and liability method. Deferred tax assets and liabilities are recorded for temporary differences between the financial reporting basis and the tax basis of assets and liabilities as adjusted for the expected benefits of utilizing net operating loss carryforwards. The impact on deferred taxes of changes in tax rates and laws, if any, applied to the years during which temporary differences are expected to be settled, is reflected in the consolidated financial statements in the period of enactment. We classify interest and penalties related to income taxes as a component of income tax expense (benefit).
Fair Value of Financial Instruments	Fair Value of Financial Instruments The carrying amounts of cash and equivalents, trade and other receivables, net, customer funds obligations, customer advance payments, and accounts payable approximate fair value because of the short-term nature of these items.
Share-Based Compensation	Share-Based Compensation Our employees participate in share-based compensation plans. Under the fair value recognition provisions of share-based compensation accounting, we measure share-based compensation cost at the grant date based on the fair value of the award and recognize the compensation expense over the requisite service period, which is the period during which an employee is required to provide services in exchange for the award. We use the Black-Scholes standard option pricing model (“Black-Scholes model”) to determine the fair value of stock awards with term-based vesting conditions. The determination of the fair value of the awards on the date of grant using the Black-Scholes model is affected by the value of our common stock as well as other inputs and assumptions described below. If factors change and we employ different assumptions for estimating share-based compensation expense in future periods or if we adopt a different valuation model, future periods may differ significantly from what we have recorded in the current period and could materially affect our operating results. To determine the fair value of both term-based and certain performance-based stock awards, the risk-free interest rate used was based on the implied yield currently available on U.S. Treasury zero coupon issues with remaining term equal to the contractual term of the performance-based options and the expected term of the term-based awards. The estimated volatility of our common stock is based on volatility data for selected comparable public companies, including the historical volatility of our stock price, over the expected term of our stock awards. Because we do not anticipate paying any cash dividends in the foreseeable future, we use an expected dividend yield of zero. The amount of share-based compensation expense we recognize during a period is based on the portion of the awards that are ultimately expected to vest. We recognize stock compensation expense using the straight-line method. For performance-based stock options with a market condition, a Monte Carlo simulation model is used to determine the fair value. The Monte Carlo model utilizes multiple input variables that determine the probability of satisfying the market conditions stipulated in the award. We estimate forfeitures at the time of grant based on historical data and record share-based compensation expense for those awards expected to vest.
Pension and Other Postretirement Benefits Liability	Pension and Other Postretirement Benefits Liability We present information about our pension and postretirement benefit plans in Note 10, “Employee Benefit Plans” to our consolidated financial statements. Liabilities and expenses for pensions and other postretirement benefits are determined with the assistance of third-party actuaries, using actuarial methodologies and incorporating significant assumptions, including the rate used to discount the future estimated liability, the long-term rate of return on plan assets, and several assumptions relating to the employee workforce (medical costs, retirement age, and mortality). The discount rate assumption utilizes a full yield curve approach by applying the specific spot rates along the yield curve used in the determination of the benefit obligation to the relevant projected cash flows. The impact of a change in the discount rate of 25 basis points would be approximately $ 6.7 million on the liabilities and an immaterial impact on pre-tax earnings in the following year. The long-term rate of return is estimated by considering historical returns and expected returns on current and projected asset allocations and is generally applied to a five-year average market value of assets. A change in the assumption for the long-term rate of return on plan assets of 25 basis points would impact pre-tax earnings by approximately $ 1.1 million.
Foreign Currency Translation	Foreign Currency Translation We have international operations whereby the local currencies serve as functional currencies. We translate foreign currency denominated assets and liabilities at the end-of-period exchange rates and foreign currency denominated statements of operations at the average exchange rates for each period. We report the effect of changes in the U.S. dollar carrying values of assets and liabilities of our international subsidiaries that are due to changes in exchange rates between the U.S. dollar and the subsidiaries’ functional currency as foreign currency translation within accumulated other comprehensive income (loss) in the accompanying consolidated statements of stockholders’ equity and comprehensive income (loss). Gains and losses from transactions and translation of assets and liabilities denominated in currencies other than the functional currency of the subsidiaries are recorded in the consolidated statements of operations within other expense (income), net.
Recently Issued and Adopted Accounting Pronouncements	Recently Issued and Adop ted Accounting Pronouncements Standard Issuance Date Description Adoption Date Effect on the Financial Statements Accounting Standards Update ("ASU") 2020-06 , Debt - Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging - Contracts in Entity's Own Equity (Subtopic 815-40) August 2020 This amendment simplifies the accounting for convertible instruments by removing certain separation models required under current GAAP for (1) convertible debt with a cash conversion feature and (2) convertible instruments with a beneficial conversion feature. As a result, a convertible debt instrument will be accounted for as a single liability measured at its amortized cost. January 2022 We adopted the guidance as of January 1, 2022 , using the modified retrospective method of transition. The adoption resulted in the elimination of the debt discount (and related deferred tax liability) that was recorded within equity related to our Convertible Senior Notes. The net impact of the adjustments was recorded to the opening balance of accumulated deficit and additional paid in capital. The impact to the consolidated balance sheet was as follows: (1) increase of $ 92.9 million to long-term debt, (2) decrease of $ 77.7 million to additional paid-in capital, net of allocated issuance costs of $ 2.7 million and deferred tax impact of $ 28.2 million, and (3) decrease to accumulated deficit of $ 10.0 million. ASU 2022-06 , Reference Rate Reform (Topic 848): Deferral of the Sunset Date of Topic 848 December 2022 This amendment provides optional expedients and exceptions for applying GAAP to contracts, hedging relationships, and other transactions affected by reference rate reform if certain criteria are met. The amendments apply only to contracts, hedging relationships, and other transactions that reference LIBOR or another reference rate expected to be discontinued because of reference rate reform. Not yet adopted This amendment may be elected over time through December 31, 2024 as reference rate reform activities occur. We do not expect the adoption of this guidance to have a significant impact on our financial statements.

Summary of Significant Accoun_3

Summary of Significant Accounting Policies (Tables)	12 Months Ended
Summary of Significant Accounting Policies (Tables)	Dec. 31, 2022
Accounting Policies [Abstract]
Estimated useful life of Property, Plant, and Equipment, Net	Property, Plant, and Equipment, Net Our property, plant, and equipment assets are stated at cost less accumulated depreciation. Depreciation is calculated on a straight-line basis over the shorter of the remaining lease term or estimated useful life of the related assets, which are generally as follows: Building improvements 5 years Machinery and equipment 4 - 6 years Computer equipment 3 - 4 years
Definite lived Intangible Assets Amortization Expense	Definite-lived assets are amortized on a straight-line basis generally over the following periods: Customer lists and relationships 4 - 12 years Trade name 3 - 5 years Technology 3 - 5 years

Business Combinations (Tables)

Business Combinations (Tables)	12 Months Ended
Business Combinations (Tables)	Dec. 31, 2022
Ideal [Member]
Business Acquisition [Line Items]
Schedule of Major Classes of Assets and Liabilities Allocated to Purchase Price	The major classes of assets and liabilities to which we have allocated the purchase price were as follows: (Dollars in millions) Cash and equivalents $ 2.6 Trade receivables, prepaid expenses, and other current assets 1.0 Property, plant, and equipment 0.1 Goodwill 26.3 Other intangible assets 18.3 Accounts payable and other current liabilities ( 3.8 ) Other non-current liabilities ( 3.1 ) Total purchase price $ 41.4
Ascender HCM Pty Ltd. [Member]
Business Acquisition [Line Items]
Schedule of Major Classes of Assets and Liabilities Allocated to Purchase Price	The major classes of assets and liabilities to which we have allocated the purchase price were as follows: (Dollars in millions) Cash and equivalents $ 5.1 Restricted cash 2.0 Trade receivables, prepaid expenses, and other current assets 16.0 Customer funds 18.9 Property, plant, and equipment 13.1 Goodwill 242.8 Other intangible assets 138.0 Other assets 18.8 Accounts payable and other current liabilities ( 33.4 ) Customer funds obligations ( 18.8 ) Other non-current liabilities ( 42.9 ) Total purchase price $ 359.6
ADAM HCM [Member]
Business Acquisition [Line Items]
Schedule of Major Classes of Assets and Liabilities Allocated to Purchase Price	The major classes of assets and liabilities to which we have allocated the purchase price were as follows: (Dollars in millions) Cash and equivalents $ 0.2 Trade receivables, prepaid expenses, and other current assets 0.9 Goodwill 24.0 Other intangible assets 10.8 Other assets 0.2 Accounts payable and other current liabilities ( 1.6 ) Total purchase price $ 34.5

Fair Value Measurements (Tables

Fair Value Measurements (Tables)	12 Months Ended
Fair Value Measurements (Tables)	Dec. 31, 2022
Fair Value Disclosures [Abstract]
Financial Assets and Liabilities Measured at Fair Value on Recurring Basis	Our financial assets and liabilities measured at fair value on a recurring basis were categorized as follows: December 31, 2022 Level 1 Level 2 Level 3 Total (Dollars in millions) Assets Available for sale customer funds assets $ 2,011.0 (a) $ — $ 2,011.0 Total assets measured at fair value $ — $ 2,011.0 $ — $ 2,011.0 Liabilities DataFuzion contingent consideration $ — $ — $ 10.6 (b) $ 10.6 Total liabilities measured at fair value $ — $ — $ 10.6 $ 10.6 December 31, 2021 Level 1 Level 2 Level 3 Total (Dollars in millions) Assets Available for sale customer funds assets $ — $ 1,952.4 (a) $ — $ 1,952.4 Total assets measured at fair value $ — $ 1,952.4 $ — $ 1,952.4 Liabilities DataFuzion contingent consideration $ — $ — $ 6.0 (b) $ 6.0 Total liabilities measured at fair value $ — $ — $ 6.0 $ 6.0 (a) Fair value is based on inputs that are observable for the asset or liability, other than quoted prices. (b) For the contingent consideration related to the 2021 acquisition of certain assets and liabilities of DataFuzion HCM, Inc. ("DataFuzion"), we utilize an option pricing model, specifically a Black-Scholes-Merton model, to estimate the fair value of the contingent liability as of the reporting dates. This model uses certain assumptions related to risk-free rates and volatility as well as certain judgments in forecasting annual recurring revenue. The contingent consideration has been measured as Level 3 given the unobservable inputs that are significant to the measurement of liability. The contingent consideration is included within other liabilities in our consolidated balance sheets.

Customer Funds (Tables)

Customer Funds (Tables)	12 Months Ended
Customer Funds (Tables)	Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]
Schedule of Amortized Cost and Fair Values of Investments of Customer Funds Available for Sale	The amortized cost and fair values of investments of customer funds available for sale were as follows: December 31, 2022 Amortized Gross Unrealized Fair Cost Gain Loss Value (Dollars in millions) Money market securities, investments carried at cost and other cash equivalents $ 2,152.4 $ — $ — $ 2,152.4 Available for sale investments: U.S. government and agency securities 721.3 — ( 53.1 ) 668.2 Canadian and provincial government securities 438.7 0.1 ( 17.8 ) 421.0 Corporate debt securities 653.8 0.5 ( 35.5 ) 618.8 Asset-backed securities 169.6 0.1 ( 6.1 ) 163.6 Mortgage-backed securities 14.5 — ( 0.7 ) 13.8 Other short-term investments 57.0 — — 57.0 Other securities 74.4 — ( 5.9 ) 68.6 Total available for sale investments 2,129.3 0.7 ( 119.1 ) 2,011.0 Invested customer funds 4,281.7 $ 0.7 $ ( 119.1 ) 4,163.4 Receivables 20.0 19.8 Total customer funds $ 4,301.7 $ 4,183.2 December 31, 2021 Amortized Gross Unrealized Fair Cost Gain Loss Value (Dollars in millions) Money market securities, investments carried at cost and other cash equivalents $ 1,562.4 $ — $ — $ 1,562.4 Available for sale investments: U.S. government and agency securities 697.8 9.5 ( 5.8 ) 701.5 Canadian and provincial government securities 399.9 5.3 ( 1.3 ) 403.9 Corporate debt securities 551.4 8.3 ( 3.1 ) 556.6 Asset-backed securities 174.2 1.5 ( 0.3 ) 175.4 Mortgage-backed securities 2.7 — — 2.7 Other short-term investments 41.4 — — 41.4 Other securities 71.7 — ( 0.8 ) 70.9 Total available for sale investments 1,939.1 24.6 ( 11.3 ) 1,952.4 Invested customer funds 3,501.5 $ 24.6 $ ( 11.3 ) 3,514.8 Receivables 18.4 21.0 Total customer funds $ 3,519.9 $ 3,535.8
Schedule of Unrealized Losses and Fair Value	The following represents the gross unrealized losses and the related fair value of the investments of customer funds available for sale, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position. December 31, 2022 Less than 12 months 12 months or more Total Unrealized Fair Unrealized Fair Unrealized Fair (Dollars in millions) U.S. government and agency securities $ ( 14.7 ) $ 341.7 $ ( 38.3 ) $ 323.9 $ ( 53.0 ) $ 665.6 Canadian and provincial government securities ( 11.8 ) 348.1 ( 6.0 ) 65.1 ( 17.8 ) 413.2 Corporate debt securities ( 17.9 ) 422.6 ( 17.6 ) 175.7 ( 35.5 ) 598.3 Asset-backed securities ( 4.6 ) 114.4 ( 1.5 ) 26.2 ( 6.1 ) 140.6 Other securities ( 1.0 ) 20.7 ( 5.7 ) 61.3 ( 6.7 ) 82.0 Total available for sale investments $ ( 50.0 ) $ 1,247.5 $ ( 69.1 ) $ 652.2 $ ( 119.1 ) $ 1,899.7
Schedule of Amortized Cost and Fair Value of Investment Securities Available for Sale by Contractual Maturity	The amortized cost and fair value of investment securities available for sale at December 31, 2022, by contractual maturity are shown below. Expected maturities will differ from contractual maturities because borrowers may have the right to call or to prepay obligations with or without call or prepayment penalties. December 31, 2022 Cost Fair Value (Dollars in millions) Due in one year or less $ 2,565.7 $ 2,560.8 Due in one to three years 638.7 608.3 Due in three to five years 906.5 835.8 Due after five years 170.8 158.5 Invested customer funds $ 4,281.7 $ 4,163.4

Trade and Other Receivables, _2

Trade and Other Receivables, Net (Tables)	12 Months Ended
Trade and Other Receivables, Net (Tables)	Dec. 31, 2022
Receivables [Abstract]
Schedule of Trade and Other Receivables, Net	Trade and other receivables, net, consist of the following: December 31, 2022 2021 (Dollars in millions) Trade receivables from customers $ 143.0 $ 130.3 Interest receivable from invested customer funds 12.7 3.2 Dayforce Wallet on-demand pay receivables 22.2 9.3 Other 11.4 11.4 Total gross receivables 189.3 154.2 Less: reserve for sales adjustments ( 4.6 ) ( 4.0 ) Less: allowance for doubtful accounts ( 4.6 ) ( 3.9 ) Trade and other receivables, net $ 180.1 $ 146.3
Activity Related to Allowance for Doubtful Accounts	The activity related to the allowance for doubtful accounts was as follows: Year Ended December 31, 2022 2021 2020 (Dollars in millions) Balance at beginning of year $ 3.9 $ 3.1 $ 2.4 Provision for doubtful accounts 2.2 1.8 2.0 Charge-offs, net of recoveries ( 1.5 ) ( 1.0 ) ( 1.3 ) Balance at end of year $ 4.6 $ 3.9 $ 3.1

Property, Plant, and Equipmen_2

Property, Plant, and Equipment, Net (Tables)	12 Months Ended
Property, Plant, and Equipment, Net (Tables)	Dec. 31, 2022
Property, Plant and Equipment [Abstract]
Schedule of Property, Plant, and Equipment, Net	Property, plant, and equipment, net consist of the following: December 31, 2022 2021 (Dollars in millions) Software $ 449.4 $ 357.2 Machinery and equipment 126.4 121.7 Buildings and improvements 41.8 31.9 Total property, plant, and equipment 617.6 510.8 Accumulated depreciation ( 442.7 ) ( 382.6 ) Property, plant, and equipment, net $ 174.9 $ 128.2

Goodwill and Intangible Assets

Goodwill and Intangible Assets (Tables)	12 Months Ended
Goodwill and Intangible Assets (Tables)	Dec. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule of Changes in Goodwill	Goodwill and changes therein were as follows: (Dollars in millions) Balance at December 31, 2020 $ 2,031.8 Acquisitions 308.2 Translation ( 16.4 ) Balance at December 31, 2021 2,323.6 Remeasurement from provisional purchase price accounting 0.5 Translation ( 44.1 ) Balance at December 31, 2022 $ 2,280.0 Tax-deductible goodwill at December 31, 2022 $ 49.9
Schedule of Other Intangible Assets Net	Other intangible assets, net consist of the following: December 31, 2022 Gross Carrying Accumulated Net Estimated Life (Dollars in millions) Customer lists and relationships $ 299.8 $ ( 228.6 ) $ 71.2 4 - 12 Trade name 183.4 ( 4.7 ) 178.7 3 - 5 and Indefinite Technology 213.5 ( 181.8 ) 31.7 3 - 5 Total other intangible assets $ 696.7 $ ( 415.1 ) $ 281.6 December 31, 2021 Gross Carrying Accumulated Net Estimated Life (Dollars in millions) Customer lists and relationships $ 308.4 $ ( 220.4 ) $ 88.0 4 - 12 Trade name 184.4 ( 3.2 ) 181.2 3 - 5 and Indefinite Technology 233.9 ( 170.6 ) 63.3 3 - 5 Total other intangible assets $ 726.7 $ ( 394.2 ) $ 332.5
Estimated Future Amortization of Other Intangible Assets	We estimate the future amortization of other intangible assets is as follows: Years Ending December 31, Amount (Dollars in millions) 2023 $ 25.2 2024 24.5 2025 18.2 2026 10.2 2027 7.7 Thereafter 24.2
Schedule of Long-Lived Assets	Long-lived assets consist of right of use lease asset, property, plant and equipment, net, goodwill, and other intangible assets, net. Long-lived assets by country consist of the following: December 31, 2022 2021 (Dollars in millions) United States $ 1,803.5 $ 1,795.6 Canada 507.4 530.9 Australia 259.3 370.0 Other 190.6 117.2 Total long-lived assets $ 2,760.8 $ 2,813.7

Debt (Tables)

Debt (Tables)	12 Months Ended
Debt (Tables)	Dec. 31, 2022
Debt Disclosure [Abstract]
Schedule of Debt Obligations	Our debt obligations consist of the following: December 31, 2022 2021 (Dollars in millions) Term Debt, interest rate of 6.9 % and 2.6 %, respectively $ 651.1 $ 657.9 Revolving Credit Facility ($ 300.0 million available capacity less amounts reserved for letters of credit, which were $ 1.4 million and $ 2.1 million, respectively) — — Convertible Senior Notes, interest rate of 0.25 % 575.0 575.0 Australia Line of Credit (AUD $ 1.5 million and $ 2.9 million letter of credit capacity, respectively, which were fully utilized; USD $ 1.0 million and USD $ 2.1 million, respectively) — — Financing lease liabilities (Please refer to Note 15) 8.4 9.6 Total debt 1,234.5 1,242.5 Less unamortized discount on Term Debt and Convertible Senior Notes (a) 0.6 95.5 Less unamortized debt issuance costs on Term Debt and Convertible Senior Notes (a) 12.7 14.3 Less current portion of long-term debt 7.8 8.3 Long-term debt, less current portion $ 1,213.4 $ 1,124.4
Schedule of Convertible Senior Notes	The following table presents details of the Convertible Senior Notes: Initial Conversion Rate per $ 1,000 Principal Initial Conversion Price per Share Convertible Senior Notes 7.5641 shares $ 132.20
Summary of Interest Expense Recognized Related to Convertible Senior Notes	The following table sets forth total interest expense recognized related to the Convertible Senior Notes for the period: Year Ended December 31, 2022 Year Ended December 31, 2021 (Dollars in millions) Contractual interest expense $ 1.5 $ 1.2 Amortization of debt discount — 14.0 Amortization of debt issuance costs 3.1 1.7 Total $ 4.6 $ 16.9
Schedule of Future Principal Payments and Maturities of Indebtedness, Excluding Financing Lease Obligations	The future principal payments and maturities of our indebtedness, excluding financing lease obligations, are as follows: Years Ending December 31, Amount (Dollars in millions) 2023 $ 6.8 2024 6.8 2025 637.5 2026 575.0 $ 1,226.1

Employee Benefit Plans (Tables)

Employee Benefit Plans (Tables)	12 Months Ended
Employee Benefit Plans (Tables)	Dec. 31, 2022
Schedule of Future Payments to Participants from Defined Benefit Plans	The projected future payments to participants from defined benefit plans are as follows: Years Ending December 31, Amount (Dollars in millions) 2023 $ 42.4 2024 40.6 2025 38.6 2026 36.6 2027 35.0 Next five years $ 147.5
Schedule of Combined Funded Status and Net Periodic Pension Cost and Postretirement Benefits	The accompanying tables reflect the combined funded status and net periodic pension cost and combined supporting assumptions for the defined benefit elements of our defined benefit plans. Year Ended December 31, 2022 2021 (Dollars in millions) Funded Status of Defined Benefit Retirement Plans at Measurement Date Change in Projected Benefit Obligation During the Year: Projected benefit obligation at beginning of year $ 503.4 $ 555.2 Interest cost 8.8 6.7 Actuarial gain ( 83.1 ) ( 10.5 ) Benefits paid and plan expenses ( 45.6 ) ( 48.0 ) Projected benefit obligation at end of year $ 383.5 $ 503.4 Change in Fair Value of Plan Assets During the Year: Plan assets at fair value at beginning of year 505.0 558.7 Actual return on plan assets ( 88.4 ) ( 7.2 ) Employer contributions 1.4 1.6 Benefits paid and plan expenses ( 45.6 ) ( 48.1 ) Plan assets at fair value at end of year 372.4 505.0 Funded status of plans $ ( 11.1 ) $ 1.6 December 31, 2022 2021 (Dollars in millions) Amounts recognized in Consolidated Balance Sheets Noncurrent asset $ — $ 12.1 Current liability 1.2 1.4 Noncurrent liability 9.9 9.1 Amounts recognized in Accumulated Other Comprehensive Loss Accumulated other comprehensive loss, net of tax of $ 51.2 million and $ 49.4 million, respectively $ 163.6 $ 157.9
Schedule of Other Comprehensive (Income) Loss Related to Pension Benefit Plans and Postretirement Benefits	The other comprehensive (income) loss related to postretirement benefits was as follows: Year Ended December 31, 2022 2021 2020 (Dollars in millions) Net actuarial gain $ ( 3.1 ) $ ( 0.8 ) $ — Amortization of net actuarial gain 1.9 2.2 2.5 Tax benefit 0.4 ( 0.4 ) ( 0.7 ) Other comprehensive (gain) loss, net of tax $ ( 0.8 ) $ 1.0 $ 1.8 Year Ended December 31, 2022 2021 2020 (Dollars in millions) Net Periodic Postretirement Benefit Interest cost $ 0.2 $ 0.1 $ 0.3 Actuarial gain amortization ( 1.9 ) ( 2.0 ) ( 2.2 ) Prior service credit amortization — ( 0.2 ) ( 0.3 ) Net periodic postretirement benefit gain $ ( 1.7 ) $ ( 2.1 ) $ ( 2.2 ) The assumed health care cost trend rate represents the rate at which health care costs are assumed to increase. The assumed health care cost trend rate used in measuring the benefit obligation in 2022 is 6.8 % for pre-age 65 retirees and 8.0 % for post-age 65 retirees. These rates are assumed to decrease gradually to the ultimate health care cost trend rate of 4.5% in 2029 for both groups. Year Ended December 31, 2022 2021 2020 Assumptions Used in Calculations Weighted average discount rate used to determine 2.00 % 1.42 % 2.52 % Weighted average discount rate used to determine 4.72 % 2.00 % 1.42 %
Schedule of Fair Value of Defined Benefit Plan Assets	The fair values of our defined benefit plan’s assets by asset category were as follows: December 31, 2022 Level 1 Level 2 Level 3 Total (Dollars in millions) Investments, at fair value: Short-term investments $ 17.2 $ — $ — $ 17.2 Government securities — 6.3 — 6.3 Corporate debt securities — 301.8 — 301.8 Collective investment funds — 47.1 — 47.1 Total investments, at fair value $ 17.2 $ 355.2 $ — $ 372.4 December 31, 2021 Level 1 Level 2 Level 3 Total (Dollars in millions) Investments, at fair value: Short-term investments $ 26.7 $ — $ — $ 26.7 Government securities — 16.7 — 16.7 Corporate debt securities — 384.2 — 384.2 Collective investment funds — 77.4 — 77.4 Total investments, at fair value $ 26.7 $ 478.3 $ — $ 505.0
Schedule Of Expected Benefit Payments And Receipts Table Text Block	The projected future postretirement benefit payments and future receipts from the federal subsidy for each of the next five years and the five-year period following are as follows: Years Ending December 31, Payments Receipts (Dollars in millions) 2023 $ 1.6 $ — 2024 1.3 — 2025 1.2 — 2026 1.1 — 2027 1.0 — Next five years $ 3.1 $ —
Defined Benefit Pension Plan [Member]
Schedule of Other Comprehensive (Income) Loss Related to Pension Benefit Plans and Postretirement Benefits	The other comprehensive (income) loss related to pension benefit plans was as follows: Year Ended December 31, 2022 2021 2020 (Dollars in millions) Net actuarial loss (gain) $ 21.2 $ 9.9 $ ( 8.0 ) Amortization of net actuarial loss ( 13.6 ) ( 17.3 ) ( 15.7 ) Tax expense ( 1.9 ) 2.0 6.4 Other comprehensive loss (income), net of tax $ 5.7 $ ( 5.4 ) $ ( 17.3 ) Year Ended December 31, 2022 2021 2020 Assumptions Used in Calculations Discount rate used to determine net benefit cost 2.36 % 1.87 % 2.81 % Expected return on plan assets 3.30 % 2.70 % 5.70 % Discount rate used to determine benefit obligations 4.84 % 2.36 % 1.87 % Year Ended December 31, 2022 2021 2020 (Dollars in millions) Net Periodic Pension Cost Interest cost $ 8.8 $ 6.7 $ 12.7 Actuarial loss amortization 13.6 17.3 15.7 Less: Expected return on plan assets ( 15.9 ) ( 13.1 ) ( 22.9 ) Net periodic pension cost $ 6.5 $ 10.9 $ 5.5
Other Postretirement Benefits Plan [Member]
Schedule of Combined Funded Status and Net Periodic Pension Cost and Postretirement Benefits	The accompanying tables present the amounts and changes in the aggregate benefit obligation and the components of net periodic postretirement benefit cost for U.S. plans. We fund these costs as they become due. Year Ended 2022 2021 (Dollars in millions) Funded Status of Postretirement Health Care and Life Insurance Plans Change in Benefit Obligation: At beginning of year $ 12.6 $ 14.1 Interest cost 0.2 0.1 Participant contributions 0.6 0.3 Actuarial gain ( 3.1 ) ( 0.8 ) Benefits paid ( 1.5 ) ( 1.1 ) At end of year $ 8.8 $ 12.6 Change in Plan Assets: At beginning of year $ — $ — Company contributions 0.9 0.8 Participant contributions 0.6 0.3 Benefits paid ( 1.5 ) ( 1.1 ) At end of year — — Funded Status $ ( 8.8 ) $ ( 12.6 ) December 31, 2022 2021 (Dollars in millions) Amounts recognized in Consolidated Balance Sheets Current liability $ 1.6 $ 1.8 Noncurrent liability 7.2 10.8 Amounts recognized in Accumulated Other Comprehensive Loss Accumulated other comprehensive loss (income), net of tax of ($ 5.4 ) million and $( 5.0 ) million, respectively $ ( 8.4 ) $ ( 7.6 )

Share-Based Compensation (Table

Share-Based Compensation (Tables)	12 Months Ended
Share-Based Compensation (Tables)	Dec. 31, 2022
Share-Based Payment Arrangement [Abstract]
Summary of Performance-Based Option Activity	Performance-based option activity under the 2007 SIP, the 2013 SIP, and the 2018 EIP was as follows: Shares Weighted Weighted Aggregate Performance-based options outstanding at December 31, 2019 68,281 $ 13.58 2.6 $ 3.7 Granted 1,818,728 $ 65.27 — Exercised ( 42,730 ) ( 13.46 ) — — Performance-based options outstanding at December 31, 2020 1,844,279 $ 64.55 9.2 $ 77.5 Exercised ( 65,882 ) ( 47.23 ) — — Forfeited or expired ( 1,347 ) — — — Performance-based options outstanding at December 31, 2021 1,777,050 $ 64.72 8.3 $ 70.6 Exercised ( 14,755 ) ( 13.46 ) — — Forfeited or expired ( 1,857 ) — — — Performance-based options outstanding at December 31, 2022 1,760,438 $ 66.10 7.4 $ 0.1 Performance-based options exercisable at December 31, 2022 260,438 $ 70.90 7.5 $ 0.1
Summary of Term-Based Stock Option Activity	Term-based stock option activity under the 2007 SIP, the 2013 SIP, and the 2018 EIP, was as follows: Shares Weighted Weighted Aggregate Term-based options outstanding at December 31, 2019 13,144,937 $ 29.74 7.8 $ 501.3 Granted 2,282,334 66.06 — — Exercised ( 3,889,096 ) ( 20.42 ) — — Forfeited or expired ( 555,101 ) ( 32.09 ) — — Term-based options outstanding at December 31, 2020 10,983,074 $ 40.47 7.8 $ 725.9 Granted 759,126 84.07 — — Exercised ( 2,942,465 ) ( 26.71 ) — — Forfeited or expired ( 283,866 ) ( 48.62 ) — — Term-based options outstanding at December 31, 2021 8,515,869 $ 48.87 7.3 $ 473.4 Granted 81,145 56.29 — — Exercised ( 931,520 ) ( 32.14 ) — — Forfeited or expired ( 369,408 ) ( 58.59 ) — — Term-based options outstanding at December 31, 2022 7,296,086 $ 50.59 6.4 $ 117.4 Term-based options exercisable at December 31, 2022 4,965,415 $ 44.23 6.4 $ 104.9
Other Information Pertaining to Term-Based Options	Other information pertaining to term-based options was as follows: Year Ended December 31, 2022 2021 2020 Weighted average grant date fair value per share $ 24.12 $ 33.09 $ 21.15
Fair Value of Stock Option Estimated Using Black-Scholes Option Pricing Model	The fair value of the term-based stock options was estimated at the date of grant using the Black-Scholes option pricing model with the following weighted-average assumptions: Year Ended December 31, 2022 2021 2020 Expected volatility 40.7 % 35.8 % 29.8 % Expected dividend rate — — — Risk-free interest rate 2.6 % 1.3 % 0.6 %
Summary of Restricted Stock Units Activity	RSU activity under the 2013 SIP and the 2018 EIP, was as follows: Shares RSUs outstanding at December 31, 2019 819,818 Granted 685,997 Shares issued upon vesting of RSUs ( 73,475 ) Forfeited or canceled ( 42,955 ) RSUs outstanding at December 31, 2020 1,389,385 Granted 890,852 Shares issued upon vesting of RSUs ( 262,239 ) Forfeited or canceled ( 82,059 ) RSUs outstanding at December 31, 2021 1,935,939 Granted 1,624,345 Shares issued upon vesting of RSUs ( 504,586 ) Forfeited or canceled ( 164,881 ) RSUs outstanding at December 31, 2022 2,890,817 RSUs releasable at December 31, 2022 661,484
Other Information Pertaining to RSUs	Other information pertaining to RSUs was as follows: Year Ended December 31, 2022 2021 2020 Weighted average grant date fair value per share $ 69.35 $ 85.08 $ 69.57
Summary of Performance Stock Units	PSU activity under the 2018 EIP was as follows: Shares PSUs outstanding at December 31, 2019 — Granted 145,017 Forfeited or canceled ( 9,797 ) PSUs outstanding at December 31, 2020 135,220 Granted 348,483 Shares issued upon vesting of PSUs ( 2,050 ) Forfeited or canceled ( 162,908 ) PSUs outstanding at December 31, 2021 318,745 Granted 582,662 Shares issued upon vesting of PSUs ( 168,414 ) Forfeited or canceled ( 26,526 ) PSUs outstanding at December 31, 2022 706,467 PSUs releasable at December 31, 2022 —
Summary of Global Employee Stock Purchase Plan Activity	Our GESPP activity was as follows: Year Ended December 31, 2022 2021 Shares issued 243,043 153,235 Weighted average purchase price (per share) $ 48.59 $ 81.69
Summary of Fair Value of Stock Purchase Rights Granted under the Global Employee Stock Purchase Plan Estimated Using Weighted-Average Assumptions	The fair value of the stock purchase rights granted under the GESPP was estimated using the following weighted-average assumptions: Year Ended December 31, 2022 2021 2020 Expected volatility 29.3 % 33.7 % 46.4 % Expected dividend rate — — — Risk-free interest rate 0.2 % 0.1 % 1.1 % Expected term (in years) 0.3 0.3 0.3 Grant date fair value per share $ 21.16 $ 22.07 $ 17.11

Revenue (Tables)

Revenue (Tables)	12 Months Ended
Revenue (Tables)	Dec. 31, 2022
Revenue from Contract with Customer [Abstract]
Summary of Disaggregation of Revenue	Disaggregation of Revenue Revenue by solution and category was as follows: Year Ended December 31, 2022 2021 2020 (Dollars in millions) Revenue: Cloud Dayforce Recurring $ 815.2 $ 626.6 $ 500.2 Professional services and other 181.7 159.3 148.6 Total Dayforce revenue 996.9 785.9 648.8 Powerpay Recurring 93.2 86.3 79.5 Professional services and other 0.7 0.9 1.1 Total Powerpay revenue 93.9 87.2 80.6 Total Cloud revenue 1,090.8 873.1 729.4 Bureau Recurring 139.2 137.8 110.5 Professional services and other 16.2 13.3 2.6 Total Bureau revenue 155.4 151.1 113.1 Total revenue $ 1,246.2 $ 1,024.2 $ 842.5
Schedule of Revenue by Country	The country in which the revenue is recorded is determined by the legal entity with which the customer has contracted. Revenue by country was as follows: Year Ended December 31, 2022 2021 2020 (Dollars in millions) United States $ 784.1 $ 624.4 $ 579.3 Canada 288.6 254.2 223.5 Other 173.5 145.6 39.7 Total revenue $ 1,246.2 $ 1,024.2 $ 842.5
Schedule of Changes in Deferred Revenue	Deferred revenue primarily consists of payments received in advance of revenue recognition. The changes in deferred revenue were as follows: December 31, 2022 2021 (Dollars in millions) Deferred revenue, beginning of period $ 48.7 $ 24.4 New billings 673.6 565.0 Acquired billings — 16.6 Revenue recognized ( 679.2 ) ( 556.5 ) Effect of exchange rate ( 1.9 ) ( 0.8 ) Deferred revenue, end of period $ 41.2 $ 48.7

Accumulated Other Comprehensi_2

Accumulated Other Comprehensive Income (Loss) (Tables)	12 Months Ended
Accumulated Other Comprehensive Income (Loss) (Tables)	Dec. 31, 2022
Equity [Abstract]
Components of Accumulated Other Comprehensive Income (Loss)	The components of accumulated other comprehensive income (loss) were as follows: Foreign Unrealized Gain Pension Total (Dollars in millions) Balance as of December 31, 2020 $ ( 159.7 ) $ 38.4 $ ( 154.7 ) $ ( 276.0 ) Other comprehensive loss before income taxes and reclassifications ( 17.6 ) ( 48.4 ) ( 9.1 ) ( 75.1 ) Income tax benefit (expense) — 12.8 ( 1.6 ) 11.2 Reclassifications to earnings — — 15.1 15.1 Other comprehensive (loss) income ( 17.6 ) ( 35.6 ) 4.4 ( 48.8 ) Balance as of December 31, 2021 ( 177.3 ) 2.8 ( 150.3 ) ( 324.8 ) Other comprehensive loss before income taxes and reclassifications ( 56.7 ) ( 134.6 ) ( 17.5 ) ( 208.8 ) Income tax benefit — 35.4 1.5 36.9 Reclassifications to earnings — — 11.7 11.7 Other comprehensive loss ( 56.7 ) ( 99.2 ) ( 4.3 ) ( 160.2 ) Balance as of December 31, 2022 $ ( 234.0 ) $ ( 96.4 ) $ ( 154.6 ) $ ( 485.0 )

Income Taxes (Tables)

Income Taxes (Tables)	12 Months Ended
Income Taxes (Tables)	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Summary of Provision for Income Taxes	Year Ended December 31, 2022 2021 2020 (Dollars in millions) Components of Earnings and Taxes from Operations Loss before income taxes: U.S. $ ( 0.7 ) $ ( 73.6 ) $ 41.5 International ( 62.2 ) ( 16.7 ) ( 61.6 ) Total $ ( 62.9 ) $ ( 90.3 ) $ ( 20.0 ) Income tax expense (benefit): Current: U.S. $ 4.5 $ 0.9 $ ( 6.5 ) State and local 1.9 0.4 0.1 International 5.8 22.3 ( 2.6 ) Total current income tax expense (benefit) 12.2 23.6 ( 9.0 ) Deferred: U.S. 7.8 ( 22.3 ) ( 1.1 ) State and local ( 2.1 ) ( 5.0 ) 0.1 International ( 7.4 ) ( 11.2 ) ( 6.0 ) Total deferred income tax benefit ( 1.7 ) ( 38.5 ) ( 7.0 ) Total income tax expense (benefit) $ 10.5 $ ( 14.9 ) $ ( 16.0 )
Reconciliation of U.S. Federal Statutory Rate	Year Ended December 31, 2022 2021 2020 Effective Tax Rate Reconciliation Federal statutory tax rate 21.0 % 21.0 % 21.0 % Change in valuation allowance 2.5 ( 0.7 ) ( 0.3 ) State income taxes, net of federal benefit 0.8 5.9 2.2 Share-based compensation ( 25.6 ) ( 3.5 ) 3.9 International tax rate differential 0.2 ( 2.4 ) 8.9 Foreign capital gain income — ( 1.3 ) ( 7.5 ) Unremitted foreign earnings — 2.9 14.5 Acquisition costs — ( 2.3 ) — Base erosion tax ( 5.7 ) ( 1.6 ) 33.9 Global intangible low taxed income ( 11.3 ) — — Reserve for tax contingencies — 2.1 1.2 Change in tax rate 1.6 — — Unutilized tax benefits — ( 3.4 ) — Other ( 0.2 ) ( 0.2 ) 2.2 Total tax rate ( 16.7 )% 16.5 % 80.0 %
Schedule of Deferred Tax Assets and Liabilities	December 31, 2022 2021 (Dollars in millions) Tax Effect of Items That Comprise a Significant Portion of the Net Deferred Tax Asset and Deferred Tax Liability Deferred tax asset: Employment related accruals $ 27.8 $ 16.9 Intangibles 13.5 10.6 Software development costs 14.9 — Customer funds 31.2 — Other 33.7 19.2 Foreign tax credit carryover and other credit 0.3 0.6 Net operating loss carryforwards 120.8 161.5 Total gross deferred tax asset 242.2 208.8 Valuation allowance ( 44.1 ) ( 46.8 ) Total deferred tax asset $ 198.1 $ 162.0 Deferred tax liability: Intangibles $ ( 60.8 ) $ ( 75.4 ) Deferred contract costs ( 33.5 ) ( 29.4 ) Other ( 7.8 ) ( 24.6 ) Total deferred tax liability ( 102.1 ) ( 129.4 ) Net deferred tax asset $ 96.0 $ 32.6 December 31, 2022 2021 (Dollars in millions) Net Deferred Tax by Geography U.S. $ 79.8 $ 38.9 International 16.2 ( 6.3 ) Total $ 96.0 $ 32.6
Summary of Activity Related to Unrecognized Tax Benefits	The following table summarizes the activity for unrecognized tax benefits: Year Ended 2022 2021 (Dollars in millions) Federal, State and Foreign Tax Beginning unrecognized tax balance $ — $ 1.8 Increase prior period positions — — Increase current period positions — — Decrease prior period positions — ( 1.8 ) Ending unrecognized tax benefits $ — $ —

Leases (Tables)

Leases (Tables)	12 Months Ended
Leases (Tables)	Dec. 31, 2022
Leases [Abstract]
Supplemental Balance Sheet Information Related to Leases	Supplemental balance sheet information related to leases was as follows: Lease Type Balance Sheet Classification December 31, 2022 December 31, 2021 (Dollars in millions) ASSETS Operating lease assets Trade and other receivables, net $ 0.1 $ 0.2 Operating lease assets Prepaid expenses and other current assets 2.8 3.4 Operating lease assets Right of use lease asset 24.3 29.4 Financing lease assets Property, plant, and equipment, net 7.0 8.3 Total lease assets $ 34.2 $ 41.3 LIABILITIES Current Financing lease liabilities Current portion of long-term debt $ 1.0 $ 1.5 Operating lease liabilities Current portion of long-term lease liabilities 10.0 11.3 Noncurrent Financing lease liabilities Long-term debt, less current portion 7.4 8.1 Operating lease liabilities Long-term lease liabilities, less current portion 23.7 32.7 Total lease liabilities $ 42.1 $ 53.6
Components of Lease Expense	The components of lease expense were as follows: Year Ended December 31, 2022 2021 2020 Lease Cost (Dollars in millions) Operating lease cost $ 9.8 $ 6.1 $ 9.1 Financing lease cost: Depreciation of lease assets 1.3 1.3 0.8 Interest on lease liabilities 0.3 0.3 0.4 Sublease income ( 0.5 ) ( 2.2 ) ( 4.1 ) Net lease cost $ 10.9 $ 5.5 $ 6.2
Supplemental Cash Flow Information Related to Leases	Supplemental cash flow information related to leases was as follows: Year Ended December 31, 2022 2021 (Dollars in millions) Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from operating leases $ 8.7 $ 11.6 Operating cash flows from finance leases 0.3 1.9 Financing cash flows from finance leases 1.6 1.0 Lease assets obtained in exchange for new lease liabilities: Operating leases 7.8 2.2
Future Minimum Lease Payments Under Operating and Financing Leases	The future minimum lease payments under our operating and financing leases were as follows: Years Ending December 31, Amount (Dollars in millions) 2023 $ 14.3 2024 11.0 2025 7.9 2026 4.7 2027 2.3 Thereafter 6.2 Total lease payments $ 46.4 Less: Interest 4.3 Total $ 42.1 W
Schedule of Weighted Average Remaining Lease Term and Weighted Average Discount Rate	eighted average remaining lease term and weighted average discount rate were as follows: December 31, 2022 2021 Weighted average remaining lease term (in years) Operating leases 3.6 5.8 Financing leases 8.3 8.9 Weighted average discount rate Operating leases 4.34 % 4.07 % Financing leases 3.88 % 3.81 %

Related Party Transactions (Tab

Related Party Transactions (Tables)	12 Months Ended
Related Party Transactions (Tables)	Dec. 31, 2022
Related Party Transactions [Abstract]
Schedule of Revenue from Portfolio Companies	We provide Dayforce and related services to certain companies that are considered related parties. The revenue from these related parties was as follows: Year Ended December 31, Counter-Party Related Persons Interest 2022 2021 2020 (Dollars in millions) FleetCor Technologies, Inc. Shared board members. One board member is also the chief executive officer and the chairman of the counter-party's board $ 0.8 $ 0.6 $ 0.9 The Stronach Group The brother of David D. Ossip, our Chair and Co-Chief Executive Officer, was formerly the chief executive officer, and is currently a minority shareholder 0.1 0.1 0.1 Verve Senior Living David D. Ossip, our Chair and Co-Chief Executive Officer, and his brother are currently minority shareholders 0.4 0.4 0.5 Environmental 360 Solutions David D. Ossip's, our Chair and Co-Chief Executive Officer, brother is a board member 0.2 — — Fidelity National Financial, Inc. Shared board members 0.4 0.4 0.4 Guaranteed Rate, Inc. Portfolio company of Thomas H. Lee Partners, L.P. ("THL"), of which certain members of our board are managing directors 1.7 1.7 0.9 HighTower Advisors, LLC Portfolio company of THL, of which certain members of our board are managing directors. One board member also serves on the board of the counter-party 0.4 0.3 0.2 Ten-X, LLC Portfolio company of THL, of which certain members of our board are managing directors 0.2 0.2 0.2 Smile Doctors Portfolio company of THL, of which certain members of our board are managing directors 1.0 — — The Dun and Bradstreet Corporation Shared board members with Dun & Bradstreet Holdings, Inc., which owns the counter-party 1.8 — —
Schedule of Payments to Portfolio Companies	We are party to service agreements with certain companies that are considered related parties. Payments made to related parties were as follows: Year Ended December 31, Counter-Party Related Persons Interest 2022 2021 2020 (Dollars in millions) The Dun and Bradstreet Corporation Shared board members with Dun & Bradstreet Holdings, Inc., which owns the counter-party $ 0.3 $ 0.4 $ 0.4 Manulife Financial Shared board members. Leagh E. Turner, our Co-Chief Executive Officer, also serves as a director 6.0 8.1 7.3

Capital Stock and Net Loss pe_2

Capital Stock and Net Loss per Share (Tables)	12 Months Ended
Capital Stock and Net Loss per Share (Tables)	Dec. 31, 2022
Earnings Per Share [Abstract]
Schedule of Computations of Basic and Diluted Net (Loss) Income per Share	The basic and diluted net loss per share computations were calculated as follows: Year Ended December 31, 2022 2021 2020 (Dollars in millions, except share and per share data) Numerator: Net loss $ ( 73.4 ) $ ( 75.4 ) $ ( 4.0 ) Denominator: Weighted-average shares outstanding - basic 152,940,299 150,402,321 146,774,471 Effect of dilutive equity instruments — — — Weighted-average shares outstanding - diluted 152,940,299 150,402,321 146,774,471 Net loss per share - basic $ ( 0.48 ) $ ( 0.50 ) $ ( 0.03 ) Net loss per share - diluted $ ( 0.48 ) $ ( 0.50 ) $ ( 0.03 )
Schedule of Potentially Dilutive Shares Excluded from Calculation of Diluted Net (Loss) Income per Share	The following potentially dilutive shares were excluded from the calculation of diluted net loss per share because their effect would have been anti-dilutive: Year Ended December 31, 2022 2021 2020 Stock options 5,565,875 5,874,818 7,135,159 Restricted stock units 517,130 604,770 745,955 Performance stock units 1,383,847 549,583 229,433

Organization - Additional Infor

Organization - Additional Information (Detail)	Dec. 31, 2022 Country
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of countries operate globally	18

Summary of Significant Accoun_4

Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Millions		12 Months Ended
	Dec. 01, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Jan. 01, 2022
Significant Accounting Policies [Line Items]
Interest on property plant and equipment,net		$ 0.8	$ 0.4
Net of accumulated amortization		133.4	92.8
Amortization of software cost		$ 30.9	23.9	$ 3.8
Expected period of benefit of deferred sales commissions	10 years
Expected minimum period of new customer contracts and customer retention		3 years
Decrease in amortization expense		$ 3.2
Amortization expense for the deferred costs		48.9	46.4	38.8
Research and Development Expense		92.3	81.1	39.6
Advertising Expense		$ 11.3	7.5	5.5
Defined benefit plan expected long-term rate-of-return, description		The long-term rate of return is estimated by considering historical returns and expected returns on current and projected asset allocations and is generally applied to a five-year average market value of assets.
Deferred revenue		$ 41.2	48.7
Total revenue		1,246.2	1,024.2	842.5
Decrease in additional paid-in capital		2,965.5	2,860
Decrease to accumulated deficit		$ (372.6)	(309.2)
ASU 2020-06 [Member]
Significant Accounting Policies [Line Items]
Change in Accounting Principle, Accounting Standards Update, Adoption Date		Jan. 01, 2022
Change in Accounting Principle, Accounting Standards Update, Adopted [true false]		true
ASU 2020-06 [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Significant Accounting Policies [Line Items]
Increase in long-term debt					$ 92.9
Decrease in additional paid-in capital					(77.7)
Allocated issuance costs					2.7
Deferred tax impact					28.2
Decrease to accumulated deficit					$ (10)
Defined Benefit Pension Plan [Member]
Significant Accounting Policies [Line Items]
Impact of change in discount rate of basis points		0.25%
Impact of change in discount rate defined benefit plan liability		$ 6.7
Change in the assumption for the long-term rate of return on plan assets basis points		0.25%
Change in the assumption for the long-term rate of return on plan assets before tax		$ 1.1
Other Assets [Member]
Significant Accounting Policies [Line Items]
Deferred costs		151.2	144.5
Minimum [Member]
Significant Accounting Policies [Line Items]
Estimated reduction to amortization expense		$ 35
Recurring customer contract initial term		3 years
Maximum [Member]
Significant Accounting Policies [Line Items]
Estimated reduction to amortization expense		$ 37
Recurring customer contract initial term		5 years
Computer Software, Intangible Asset [Member]
Significant Accounting Policies [Line Items]
Amortization of software cost		$ 43.5	$ 37	$ 30.6
Computer Software, Intangible Asset [Member] \| Minimum [Member]
Significant Accounting Policies [Line Items]
Finite-lived intangible asset, useful life		2 years
Computer Software, Intangible Asset [Member] \| Maximum [Member]
Significant Accounting Policies [Line Items]
Finite-lived intangible asset, useful life		7 years

Summary of Significant Accoun_5

Summary of Significant Accounting Policies - Estimated useful life of Property, Plant, and Equipment, Net (Detail)	12 Months Ended
	Dec. 31, 2022
Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, estimated useful life	5 years
Machinery and Equipment [Member] \| Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, estimated useful life	4 years
Machinery and Equipment [Member] \| Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, estimated useful life	6 years
Computer Equipment [Member] \| Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, estimated useful life	3 years
Computer Equipment [Member] \| Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, estimated useful life	4 years

Summary of Significant Accoun_6

Summary of Significant Accounting Policies - Definite lived Intangible Assets Amortization Expense (Detail)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Customer Lists and Relationships [Member] \| Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life	4 years	4 years
Customer Lists and Relationships [Member] \| Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life	12 years	12 years
Trade Name [Member] \| Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life	3 years
Trade Name [Member] \| Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life	5 years
Technology [Member] \| Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life	3 years	3 years
Technology [Member] \| Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life	5 years	5 years

Business Combinations - Additio

Business Combinations - Additional Information (Detail)					12 Months Ended
Business Combinations - Additional Information (Detail)	Dec. 03, 2021 USD ($)	Oct. 04, 2021 USD ($)	Apr. 30, 2021 USD ($)	Mar. 01, 2021 USD ($)	Dec. 31, 2022 USD ($) Segment	Dec. 31, 2021 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2020 USD ($)
Business Acquisition [Line Items]
Goodwill					$ 2,280,000,000	$ 2,323,600,000		$ 2,031,800,000
Number of operating segment \| Segment					1
Number of reportable segment \| Segment					1
Ideal [Member]
Business Acquisition [Line Items]
Percentage of voting interest			100%
Purchase price			$ 41,400,000
Goodwill						26,300,000
Intangible assets						18,300,000
Goodwill, amount deductible for income tax						0
Ascender HCM Pty Ltd. [Member]
Business Acquisition [Line Items]
Percentage of voting interest				100%
Purchase price				$ 359,600,000
Goodwill						242,800,000
Intangible assets						138,000,000
Goodwill, amount deductible for income tax						0
Ascender HCM Pty Ltd. [Member] \| Other Expense, Net [Member]
Business Acquisition [Line Items]
Gain on forward foreign currency contract						4,200,000
DataFuzion [Member]
Business Acquisition [Line Items]
Purchase price						17,900,000
Fair value of contingent consideration payments		$ 5,400,000
Cash consideration		12,500,000
Goodwill, amount deductible for income tax						10,200,000
ADAM HCM [Member]
Business Acquisition [Line Items]
Percentage of voting interest	100%
Purchase price	$ 34,500,000
Goodwill							$ 24,000,000
Intangible assets							10,800,000
Goodwill, amount deductible for income tax							24,000,000
Goodwill [Member] \| DataFuzion [Member]
Business Acquisition [Line Items]
Purchase price						15,600,000
Developed Technology [Member] \| DataFuzion [Member]
Business Acquisition [Line Items]
Purchase price						2,300,000
Maximum [Member] \| DataFuzion [Member]
Business Acquisition [Line Items]
Milestone payments		$ 2,500,000
Potential future earn-out payments measurement period					2026 years
Minimum [Member] \| DataFuzion [Member]
Business Acquisition [Line Items]
Potential future earn-out payments measurement period					2023 years
Trade Name [Member] \| Ideal [Member]
Business Acquisition [Line Items]
Intangible assets						200,000
Trade Name [Member] \| Ascender HCM Pty Ltd. [Member]
Business Acquisition [Line Items]
Intangible assets						6,500,000
Trade Name [Member] \| ADAM HCM [Member]
Business Acquisition [Line Items]
Intangible assets							400,000
Customer Relationships [Member] \| Ideal [Member]
Business Acquisition [Line Items]
Intangible assets						100,000
Customer Relationships [Member] \| Ascender HCM Pty Ltd. [Member]
Business Acquisition [Line Items]
Intangible assets						76,500,000
Customer Relationships [Member] \| ADAM HCM [Member]
Business Acquisition [Line Items]
Intangible assets							7,500,000
Developed Technology [Member] \| Ideal [Member]
Business Acquisition [Line Items]
Intangible assets						18,000,000
Developed Technology [Member] \| Ascender HCM Pty Ltd. [Member]
Business Acquisition [Line Items]
Intangible assets						$ 55,000,000
Developed Technology [Member] \| ADAM HCM [Member]
Business Acquisition [Line Items]
Intangible assets							$ 2,900,000

Business Combinations - Schedul

Business Combinations - Schedule of Major Classes of Assets and Liabilities Allocated to Purchase Price (Detail) - USD ($) $ in Millions	Dec. 31, 2022	Jun. 30, 2022	Dec. 31, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Goodwill	$ 2,280		$ 2,323.6	$ 2,031.8
Ideal [Member]
Business Acquisition [Line Items]
Cash and equivalents			2.6
Trade receivables, prepaid expenses, and other current assets			1
Property, plant, and equipment			0.1
Goodwill			26.3
Other intangible assets			18.3
Accounts payable and other current liabilities			(3.8)
Other non-current liabilities			(3.1)
Total purchase price			41.4
Ascender HCM Pty Ltd. [Member]
Business Acquisition [Line Items]
Cash and equivalents			5.1
Restricted cash			2
Trade receivables, prepaid expenses, and other current assets			16
Customer funds			18.9
Property, plant, and equipment			13.1
Goodwill			242.8
Other intangible assets			138
Other assets			18.8
Accounts payable and other current liabilities			(33.4)
Customer funds obligations			(18.8)
Other non-current liabilities			(42.9)
Total purchase price			$ 359.6
ADAM HCM [Member]
Business Acquisition [Line Items]
Cash and equivalents		$ 0.2
Trade receivables, prepaid expenses, and other current assets		0.9
Goodwill		24
Other intangible assets		10.8
Other assets		0.2
Accounts payable and other current liabilities		(1.6)
Total purchase price		$ 34.5

Fair Value Measurements - Asset

Fair Value Measurements - Asset and Liability Measured at Fair Value Measured on Recurring Basis (Detail) - USD ($) $ in Millions		Dec. 31, 2022	Dec. 31, 2021
Assets
Available for sale customer funds assets		$ 2,011	$ 1,952.4
Total assets measured at fair value		2,011	1,952.4
Liabilities
DataFuzion contingent consideration		10.6	6
Total liabilities measured at fair value		10.6	6
Fair Value, Inputs, Level 2 [Member]
Assets
Available for sale customer funds assets	[1]	2,011	1,952.4
Total assets measured at fair value		2,011	1,952.4
Fair Value, Inputs, Level 3 [Member]
Liabilities
DataFuzion contingent consideration	[2]	10.6	6
Total liabilities measured at fair value		$ 10.6	$ 6

[1] Fair value is based on inputs that are observable for the asset or liability, other than quoted prices. For the contingent consideration related to the 2021 acquisition of certain assets and liabilities of DataFuzion HCM, Inc. ("DataFuzion"), we utilize an option pricing model, specifically a Black-Scholes-Merton model, to estimate the fair value of the contingent liability as of the reporting dates. This model uses certain assumptions related to risk-free rates and volatility as well as certain judgments in forecasting annual recurring revenue. The contingent consideration has been measured as Level 3 given the unobservable inputs that are significant to the measurement of liability. The contingent consideration is included within other liabilities in our consolidated balance sheets.

Fair Value Measurements - Addit

Fair Value Measurements - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Fair Value Disclosures [Abstract]
Change in fair value of contingent consideration	$ 4.6	$ 0.6

Customer Funds - Additional Inf

Customer Funds - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Investment income from invested customer funds included in revenue	$ 80.2	$ 41.1	$ 52.3
Maturities ranging from one to 120 days [Member] \| Maximum [Member]
Average customer trust funds held in liquidity portfolios, Percentage	55%
Maturities ranging from one to 120 days [Member] \| Minimum [Member]
Average customer trust funds held in liquidity portfolios, Percentage	45%
Maturities ranging from 120 days to 10 years [Member] \| Maximum [Member]
Average customer trust funds held in fixed income portfolios, Percentage	55%
Maturities ranging from 120 days to 10 years [Member] \| Minimum [Member]
Average customer trust funds held in fixed income portfolios, Percentage	45%

Customer Funds - Investment of

Customer Funds - Investment of Customer Funds (Detail) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]
Money market securities, investments carried at cost and other cash equivalents, Fair Value	$ 2,152.4	$ 1,562.4
Invested customer funds, Fair Value	4,163.4	3,514.8
Receivables, Fair Value	19.8	21
Total customer funds, Fair Value	4,183.2	3,535.8
Money market securities, investments carried at cost and other cash equivalents, Amortized Cost	2,152.4	1,562.4
Invested customer funds, Amortized Cost	4,281.7	3,501.5
Receivables, Amortized Cost	20	18.4
Total customer funds, Amortized Cost	4,301.7	3,519.9
Amortized Cost	2,129.3	1,939.1
Gross Unrealized Gain	0.7	24.6
Gross Unrealized Loss	(119.1)	(11.3)
Fair value	2,011	1,952.4
U.S. Government and Agencies Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	721.3	697.8
Gross Unrealized Gain		9.5
Gross Unrealized Loss	(53.1)	(5.8)
Fair value	668.2	701.5
Canadian and Provincial Government Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	438.7	399.9
Gross Unrealized Gain	0.1	5.3
Gross Unrealized Loss	(17.8)	(1.3)
Fair value	421	403.9
Corporate Debt Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	653.8	551.4
Gross Unrealized Gain	0.5	8.3
Gross Unrealized Loss	(35.5)	(3.1)
Fair value	618.8	556.6
Asset-backed Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	169.6	174.2
Gross Unrealized Gain	0.1	1.5
Gross Unrealized Loss	(6.1)	(0.3)
Fair value	163.6	175.4
Mortgage-backed Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	14.5	2.7
Gross Unrealized Loss	(0.7)
Fair value	13.8	2.7
Other Short-Term Investments [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	57	41.4
Fair value	57	41.4
Other Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	74.4	71.7
Gross Unrealized Loss	(5.9)	(0.8)
Fair value	$ 68.6	$ 70.9

Customer Funds - Gross Unrealiz

Customer Funds - Gross Unrealized Losses and Related Fair Value of Investment (Detail) $ in Millions	Dec. 31, 2022 USD ($)
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Unrealized Losses	$ (50)
Less than 12 months, Fair Value	1,247.5
12 months or more, Unrealized Losses	(69.1)
12 months or more, Fair Value	652.2
Total, Unrealized Losses	(119.1)
Total, Fair Value	1,899.7
U.S. Government and Agencies Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Unrealized Losses	(14.7)
Less than 12 months, Fair Value	341.7
12 months or more, Unrealized Losses	(38.3)
12 months or more, Fair Value	323.9
Total, Unrealized Losses	(53)
Total, Fair Value	665.6
Canadian And Provincial Government Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Unrealized Losses	(11.8)
Less than 12 months, Fair Value	348.1
12 months or more, Unrealized Losses	(6)
12 months or more, Fair Value	65.1
Total, Unrealized Losses	(17.8)
Total, Fair Value	413.2
Corporate Debt Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Unrealized Losses	(17.9)
Less than 12 months, Fair Value	422.6
12 months or more, Unrealized Losses	(17.6)
12 months or more, Fair Value	175.7
Total, Unrealized Losses	(35.5)
Total, Fair Value	598.3
Asset-Backed Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Unrealized Losses	(4.6)
Less than 12 months, Fair Value	114.4
12 months or more, Unrealized Losses	(1.5)
12 months or more, Fair Value	26.2
Total, Unrealized Losses	(6.1)
Total, Fair Value	140.6
Other Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Unrealized Losses	(1)
Less than 12 months, Fair Value	20.7
12 months or more, Unrealized Losses	(5.7)
12 months or more, Fair Value	61.3
Total, Unrealized Losses	(6.7)
Total, Fair Value	$ 82

Customer Funds - Amortized Cost

Customer Funds - Amortized Cost and Fair Value of Investment Security Available for Sale (Detail) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Investments, Debt and Equity Securities [Abstract]
Due in one year or less, Cost	$ 2,565.7
Due in one to three years, Cost	638.7
Due in three to five years, Cost	906.5
Due after five years, Cost	170.8
Invested customer funds, Cost	4,281.7	$ 3,501.5
Due in one year or less, Fair Value	2,560.8
Due in one to three years, Fair Value	608.3
Due in three to five years, Fair Value	835.8
Due after five years, Fair Value	158.5
Invested customer funds, Fair Value	$ 4,163.4	$ 3,514.8

Trade and Other Receivables, _3

Trade and Other Receivables, Net - Schedule of Trade and Other Receivables, Net (Detail) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade receivables from customers	$ 143	$ 130.3
Interest receivable from invested customer funds	12.7	3.2
Other	11.4	11.4
Total gross receivables	189.3	154.2
Less: reserve for sales adjustments	(4.6)	(4)
Less: allowance for doubtful accounts	(4.6)	(3.9)
Trade and other receivables, net	180.1	146.3
Dayforce [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Dayforce Wallet on-demand pay receivables	$ 22.2	$ 9.3

Trade and Other Receivables, _4

Trade and Other Receivables, Net - Activity Related to Allowance for Doubtful Accounts (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Receivables [Abstract]
Balance at beginning of year	$ 3.9	$ 3.1	$ 2.4
Provision for doubtful accounts	2.2	1.8	2
Charge-offs, net of recoveries	(1.5)	(1)	(1.3)
Balance at end of year	$ 4.6	$ 3.9	$ 3.1

Property, Plant, and Equipmen_3

Property, Plant, and Equipment, Net - Schedule of Property, Plant, and Equipment, Net (Detail) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	$ 617.6	$ 510.8
Accumulated depreciation	(442.7)	(382.6)
Property, plant, and equipment, net	174.9	128.2
Software [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	449.4	357.2
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	126.4	121.7
Buildings and Improvements [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	$ 41.8	$ 31.9

Property, Plant, and Equipmen_4

Property, Plant, and Equipment, Net - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Abstract]
Depreciation expense	$ 58.1	$ 53.6	$ 48

Goodwill and Intangible Asset_2

Goodwill and Intangible Assets - Schedule of Changes in Goodwill (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]
Balance	$ 2,323.6	$ 2,031.8
Acquisitions		308.2
Remeasurement from provisional purchase price accounting	0.5
Translation	(44.1)	(16.4)
Balance	2,280	$ 2,323.6
Tax-deductible goodwill	$ 49.9

Goodwill and Intangible Asset_3

Goodwill and Intangible Assets - Schedule of Other Intangible Asset Net (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 696.7	$ 726.7
Accumulated Amortization	(415.1)	(394.2)
Net	281.6	332.5
Trade Name [Member]
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Gross Carrying Amount	183.4	184.4
Accumulated Amortization	(4.7)	(3.2)
Net	$ 178.7	$ 181.2
Minimum [Member] \| Trade Name [Member]
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Estimated Life Range (Years)	3 years	3 years
Maximum [Member] \| Trade Name [Member]
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Estimated Life Range (Years)	5 years	5 years
Estimated Life Range (Years)	Indefinite	Indefinite
Customer Lists and Relationships [Member]
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 299.8	$ 308.4
Accumulated Amortization	(228.6)	(220.4)
Net	$ 71.2	$ 88
Customer Lists and Relationships [Member] \| Minimum [Member]
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Estimated Life Range (Years)	4 years	4 years
Customer Lists and Relationships [Member] \| Maximum [Member]
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Estimated Life Range (Years)	12 years	12 years
Technology [Member]
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 213.5	$ 233.9
Accumulated Amortization	(181.8)	(170.6)
Net	$ 31.7	$ 63.3
Technology [Member] \| Minimum [Member]
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Estimated Life Range (Years)	3 years	3 years
Technology [Member] \| Maximum [Member]
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Estimated Life Range (Years)	5 years	5 years

Goodwill and Intangible Asset_4

Goodwill and Intangible Assets - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Amortization expense	$ 30.9	$ 23.9	$ 3.8
Ceridian Trade Name [Member]
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets, carrying value	167.2
Dayforce Trade Name [Member]
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets, carrying value	$ 4.4

Goodwill and Intangible Asset_5

Goodwill and Intangible Assets - Estimated Future Amortization of Other Intangible Assets (Detail) $ in Millions	Dec. 31, 2022 USD ($)
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
2023	$ 25.2
2024	24.5
2025	18.2
2026	10.2
2027	7.7
Thereafter	$ 24.2

Goodwill and Intangible Asset_6

Goodwill and Intangible Assets - Schedule of Long Lived Assets by Country (Detail) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Long Lived Assets Geographic [Line Items]
Total long-lived assets	$ 2,760.8	$ 2,813.7
United States [Member]
Long Lived Assets Geographic [Line Items]
Total long-lived assets	1,803.5	1,795.6
Canada [Member]
Long Lived Assets Geographic [Line Items]
Total long-lived assets	507.4	530.9
Australia [Member]
Long Lived Assets Geographic [Line Items]
Total long-lived assets	259.3	370
Other [Member]
Long Lived Assets Geographic [Line Items]
Total long-lived assets	$ 190.6	$ 117.2

Debt - Schedule of Debt Obligat

Debt - Schedule of Debt Obligations (Detail) - USD ($) $ in Millions		Dec. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Total debt excluding financing lease liabilities		$ 1,226.1
Financing lease liabilities		8.4	$ 9.6
Total debt		1,234.5	1,242.5
Less current portion of long-term debt		7.8	8.3
Long-term debt, less current portion		1,213.4	1,124.4
Convertible Senior Notes [Member]
Debt Instrument [Line Items]
Total debt excluding financing lease liabilities		575	575
Term Debt and Convertible Senior Notes [Member]
Debt Instrument [Line Items]
Less unamortized discount on Term Debt and Convertible Senior Notes	[1]	0.6	95.5
Less unamortized debt issuance costs on Term Debt and Convertible Senior Notes	[1]	12.7	14.3
Term Debt [Member]
Debt Instrument [Line Items]
Total debt excluding financing lease liabilities		$ 651.1	$ 657.9

[1] We adopted ASU 2020-06 as of January 1, 2022. The unamortized discount and debt issuance costs on the Convertible Senior Notes is presented post-adoption of ASU 2020-06 as of December 31, 2022 and is presented pre-adoption of ASU 2020-06 as of December 31, 2021 . Refer to the Convertible Senior Notes section below for further discussion of the impacts of the adoption of ASU 2020-06 on our consolidated financial statements.

Debt - Schedule of Debt Oblig_2

Debt - Schedule of Debt Obligations (Parenthetical) (Detail) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Apr. 30, 2018
Convertible Senior Notes [Member]
Debt Instrument [Line Items]
Interest rate on debt	0.25%	0.25%	0.25%
Term Debt [Member]
Debt Instrument [Line Items]
Interest rate on debt	6.90%	2.60%
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Available capacity	$ 300	$ 300		$ 300
Revolving Credit Facility [Member] \| Letter of Credit [Member]
Debt Instrument [Line Items]
Available capacity	1.4	2.1
Foreign Line of Credit [Member] \| Australia [Member]
Debt Instrument [Line Items]
Available capacity	1	2.1
Foreign Line of Credit [Member] \| Australia [Member] \| Letter of Credit [Member]
Debt Instrument [Line Items]
Available capacity	$ 1.5	$ 2.9

Debt - Additional Information (

Debt - Additional Information (Detail) $ / shares in Units, $ in Millions

1 Months Ended

3 Months Ended

12 Months Ended

Mar. 20, 2024 d

Dec. 15, 2021

Dec. 14, 2021

Feb. 19, 2020

Mar. 26, 2019

Mar. 31, 2021 USD ($) $ / shares

Sep. 30, 2021 d

Dec. 31, 2022 USD ($) d

Dec. 31, 2021 USD ($)

Dec. 31, 2017

Dec. 31, 2022 AUD ($)

Dec. 31, 2021 AUD ($)

Dec. 31, 2018 USD ($)

Apr. 30, 2018 USD ($)

Debt Instrument [Line Items]

Accrued interest and fees

$ 700,000

$ 500,000

Capitalization of financing costs

800,000

$ 3,600,000

Debt instrument, covenant description

The Senior Secured Credit Facility documents contain a requirement that we maintain a ratio of adjusted first lien debt to Credit Facility EBITDA below specified levels on a quarterly basis; however, such requirement is applicable only if more than 35% of the Revolving Credit Facility is drawn. As of December 31, 2022, no portion of the Revolving Credit Facility was drawn.

Fair value of our indebtedness

$ 1,142,300,000

1,248,900,000

Australia [Member]

Debt Instrument [Line Items]

Letters of credit outstanding

1,000,000

$ 2,100,000

$ 1.5

$ 2.9

Fair Value, Inputs, Level 2 [Member]

Debt Instrument [Line Items]

Trading price per principal amount of notes

1,000

Capped Calls [Member]

Debt Instrument [Line Items]

Capped call initial strike price | $ / shares

$ 132.20

Capped call initial cap price | $ / shares

$ 179.26

Derivative, premium paid

$ 45,000,000

Reduction to additional paid-in capital

(33,000,000)

Net of deferred tax impact

12,000,000

Convertible Senior Notes [Member]

Debt Instrument [Line Items]

Debt instrument principal amount

$ 575,000,000

Debt instrument interest rate stated percentage

0.25%

Senior note, amortized interest rate

5.10%

Debt instrument percentage of aggregate principal amount

0.25%

Debt instrument additional aggregate principal amount

$ 75,000,000

Net proceeds from deducting initial purchase discounts and other debt issuance costs

$ 561,800,000

Debt instrument frequency of periodic payment

semiannually

Debt instrument payment terms

The Convertible Senior Notes bear interest at a rate of 0.25% per year and interest is payable semiannually in arrears on March 15 and September 15 of each year, beginning on September 15, 2021

Debt instrument payment beginning date

Sep. 15, 2021

Debt instrument maturity date

Mar. 15, 2026

Debt instrument common stock exceeds conversion price percentage

98%

Number of conversion price trading days | d

Number of conversion price, consecutive trading days | d

Number of conversion price, consecutive business days | d

Trading price per principal amount of notes

$ 1,000

Debt instrument, convertible, carrying amount of equity component

565,400,000

Debt issuance costs net

9,600,000

Convertible Senior Notes [Member] | Scenario Forecast [Member]

Debt Instrument [Line Items]

Number of conversion price trading days | d

Number of conversion price, consecutive trading days | d

Convertible Senior Notes [Member] | Maximum [Member]

Debt Instrument [Line Items]

Debt instrument common stock exceeds conversion price percentage

130%

Convertible Senior Notes [Member] | Maximum [Member] | Scenario Forecast [Member]

Debt Instrument [Line Items]

Debt instrument common stock exceeds conversion price percentage

130%

Revolving Credit Facility [Member]

Debt Instrument [Line Items]

Available capacity for letters of credit

$ 300,000,000

Line of credit maturity date

Jan. 29, 2025

Apr. 30, 2023

Senior Secured Credit Facility [Member]

Debt Instrument [Line Items]

Interest rate description

Term Debt interest rate was reduced from LIBOR plus 3.25% to LIBOR plus 3.00%, so long as the rating is maintained. On February 19, 2020, we completed the first amendment to the Senior Secured Credit Facility in which the interest rate was reduced from LIBOR plus 3.00% to LIBOR plus 2.5%.

Term debt, unamortized deferred financing cost

$ 3,700,000

$ 5,200,000

Senior note, amortized interest rate

5.30%

Senior Secured Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]

Debt Instrument [Line Items]

Debt instrument, variable interest rate

2.50%

3.25%

Term Debt [Member]

Debt Instrument [Line Items]

Debt instrument principal amount

$ 680,000,000

Debt instrument interest rate stated percentage

6.90%

2.60%

6.90%

2.60%

Debt instrument percentage of aggregate principal amount

Debt instrument maturity date

Apr. 30, 2025

Debt instrument percentage of quarterly installment principal amount

0.25%

Term Debt [Member] | London Interbank Offered Rate (LIBOR) [Member]

Debt Instrument [Line Items]

Debt instrument, variable interest rate

3.25%

Debt - Schedule of Convertible

Debt - Schedule of Convertible Senior Notes (Detail) - Convertible Senior Notes [Member]	12 Months Ended
	Dec. 31, 2022 $ / shares shares
Debt Instrument [Line Items]
Initial Conversion Rate per $1,000 Principal \| shares	7.5641
Initial Conversion Price per Share \| $ / shares	$ 132.20

Debt - Schedule of Convertibl_2

Debt - Schedule of Convertible Senior Notes (Parenthetical) (Detail)	12 Months Ended
	Dec. 31, 2022 USD ($)
Convertible Senior Notes [Member]
Debt Instrument [Line Items]
Initial conversion per principal amount	$ 1,000

Debt - Summary of Interest Expe

Debt - Summary of Interest Expense Recognized Related to Convertible Senior Notes (Detail) - Convertible Senior Notes [Member] - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Contractual interest expense	$ 1.5	$ 1.2
Amortization of debt discount		14
Amortization of debt issuance costs	3.1	1.7
Total	$ 4.6	$ 16.9

Debt - Schedule of Future Princ

Debt - Schedule of Future Principal Payments and Maturities of Indebtedness, Excluding Financing Lease Obligations (Detail) $ in Millions	Dec. 31, 2022 USD ($)
Debt Disclosure [Abstract]
2023	$ 6.8
2024	6.8
2025	637.5
2026	575
Principal payments and maturities excluding financing lease obligations	$ 1,226.1

Employee Benefit Plans - Additi

Employee Benefit Plans - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan, expense recognized		$ 23	$ 15.4	$ 11.1
Inactive participants In defined benefit plan		99%
Benefit obligation, discount rate		25%
Defined Benefit Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Contribution to defined benefit plan assets		$ 1.4	$ 1.6
Benefit obligation, discount rate		4.84%	2.36%	1.87%
Increase (reduction) in projected benefit obligation, mortality assumptions			$ 2
Fair value of plan assets exceeded projected benefit obligation of defined benefit plans		$ 11.1	1.6
Defined Benefit Pension Plan [Member] \| Long Term Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan assets percentage of asset categories		13%
Defined Benefit Pension Plan [Member] \| Liability Hedging [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan assets percentage of asset categories		86%
Defined Benefit Pension Plan [Member] \| Short-term Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan assets percentage of asset categories		1%
Defined Benefit Pension Plan [Member] \| Fixed Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan percentage of target allocation		25%
Defined Benefit Pension Plan [Member] \| Public Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan percentage of target allocation		58%
Defined Benefit Pension Plan [Member] \| Alternate Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan percentage of target allocation		17%
Nonqualified Defined Benefit Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Contribution to defined benefit plan assets		$ 1.4
Nonqualified Defined Benefit Plan [Member] \| Scenario Forecast [Member]
Defined Benefit Plan Disclosure [Line Items]
Contribution to defined benefit plan assets	$ 1.2
Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Contribution to defined benefit plan assets		$ 0.9	$ 0.8
Benefit obligation, discount rate		4.72%	2%	1.42%
The year the health care cost reaches ultimate trend rate of 4.5%		2029
Assumed health care cost trend rate used in measuring the benefit obligation		The assumed health care cost trend rate represents the rate at which health care costs are assumed to increase. The assumed health care cost trend rate used in measuring the benefit obligation in 2022 is 6.8% for pre-age 65 retirees and 8.0% for post-age 65 retirees. These rates are assumed to decrease gradually to the ultimate health care cost trend rate of 4.5% in 2029 for both groups.
Other Postretirement Benefits Plan [Member] \| Pre Age 65 [Member]
Defined Benefit Plan Disclosure [Line Items]
Assumed health care cost trend rate		6.80%
Other Postretirement Benefits Plan [Member] \| Post Age 65 [Member]
Defined Benefit Plan Disclosure [Line Items]
Assumed health care cost trend rate		8%

Employee Benefit Plans - Schedu

Employee Benefit Plans - Schedule of Future Payments to Participants from Defined Benefit Plans (Detail) - Defined Benefit Pension Plan [Member] $ in Millions	Dec. 31, 2022 USD ($)
Future payments of defined benefit plan
2023	$ 42.4
2024	40.6
2025	38.6
2026	36.6
2027	35
Next five years	$ 147.5

Employee Benefit Plans - Sche_2

Employee Benefit Plans - Schedule of Combined Funded Status and Net Periodic Pension Cost and Postretirement Benefit - Pension Benefits (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Amounts recognized in Consolidated Balance Sheets
Noncurrent liability	$ 17.7	$ 20.7
Defined Benefit Pension Plan [Member]
Change in Projected Benefit Obligation During the Year:
Beginning balance	503.4	555.2
Interest cost	8.8	6.7	$ 12.7
Actuarial gain	(83.1)	(10.5)
Benefits paid and plan expenses	(45.6)	(48)
Ending balance	383.5	503.4	555.2
Change in Fair Value of Plan Assets During the Year:
Beginning balance	505	558.7
Actual return on plan assets	(88.4)	(7.2)
Employer contributions	1.4	1.6
Benefits paid and plan expenses	(45.6)	(48.1)
Ending balance	372.4	505	$ 558.7
Funded status of plans	(11.1)	1.6
Amounts recognized in Consolidated Balance Sheets
Noncurrent asset		12.1
Current liability	1.2	1.4
Noncurrent liability	9.9	9.1
Amounts recognized in Accumulated Other Comprehensive Loss
Accumulated other comprehensive loss, net of tax of $51.2 million and $49.4 million, respectively	$ 163.6	$ 157.9

Employee Benefit Plans - Sche_3

Employee Benefit Plans - Schedule of Combined Funded Status and Net Periodic Pension Cost and Postretirement Benefit - Pension Benefits (Parenthetical) (Detail) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Pension Plan [Member]
Accumulated other comprehensive loss (income), tax	$ 51.2	$ 49.4

Employee Benefit Plans - Sche_4

Employee Benefit Plans - Schedule of Other Comprehensive (Income) Loss Related to Pension Benefit Plans (Detail) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Net actuarial loss (gain)	[1]	$ 5.8	$ (6)	$ (21.2)
Tax expense (benefit)		(1.5)	(1.6)	(5.7)
Defined Benefit Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Net actuarial loss (gain)		21.2	9.9	(8)
Amortization of net actuarial (loss) gain		(13.6)	(17.3)	(15.7)
Tax expense (benefit)		(1.9)	2	6.4
Other comprehensive loss (income), net of tax		5.7	(5.4)	(17.3)
Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Net actuarial loss (gain)		(3.1)	(0.8)
Amortization of net actuarial (loss) gain		1.9	2.2	2.5
Tax expense (benefit)		0.4	(0.4)	(0.7)
Other comprehensive loss (income), net of tax		$ (0.8)	$ 1	$ 1.8

[1] The amount of the pension liability adjustment recognized in the consolidated statements of operations within other expense, net was $ 11.7 million, $ 15.1 million, and $ 13.2 million during the years ended December 31, 2022, 2021, and 2020 , respectively.

Employee Benefit Plans - Sche_5

Employee Benefit Plans - Schedule of Other Comprehensive (Income) Loss Related to Postretirement Benefit Plans (Detail)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Discount rate used to determine benefit obligations	25%
Defined Benefit Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate used to determine net benefit cost	2.36%	1.87%	2.81%
Expected return on plan assets	3.30%	2.70%	5.70%
Discount rate used to determine benefit obligations	4.84%	2.36%	1.87%
Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate used to determine net benefit cost	2%	1.42%	2.52%
Discount rate used to determine benefit obligations	4.72%	2%	1.42%

Employee Benefit Plans - Compon

Employee Benefit Plans - Components of Net Periodic Cost for Defined Benefit Pension Plan and Other Postretirement Benefit Plan (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items]
Net periodic pension cost	$ 4.8	$ 8.8	$ 3.3
Defined Benefit Pension Plan [Member]
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items]
Interest cost	8.8	6.7	12.7
Actuarial loss (gain) amortization	13.6	17.3	15.7
Less: Expected return on plan assets	(15.9)	(13.1)	(22.9)
Net periodic pension cost	6.5	10.9	5.5
Other Postretirement Benefits Plan [Member]
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items]
Interest cost	0.2	0.1	0.3
Actuarial loss (gain) amortization	(1.9)	(2)	(2.2)
Prior service credit amortization		(0.2)	(0.3)
Net periodic pension cost	$ (1.7)	$ (2.1)	$ (2.2)

Employee Benefit Plans - Sche_6

Employee Benefit Plans - Schedule of fair values of defined benefit plan's assets (Detail) - Defined Benefit Pension Plan [Member] - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit plan assets	$ 372.4	$ 505	$ 558.7
Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit plan assets	17.2	26.7
Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit plan assets	355.2	478.3
Short-term Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit plan assets	17.2	26.7
Short-term Investments [Member] \| Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit plan assets	17.2	26.7
US Government Debt Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit plan assets	6.3	16.7
US Government Debt Securities [Member] \| Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit plan assets	6.3	16.7
Corporate Debt Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit plan assets	301.8	384.2
Corporate Debt Securities [Member] \| Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit plan assets	301.8	384.2
Collective Investment Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit plan assets	47.1	77.4
Collective Investment Funds [Member] \| Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit plan assets	$ 47.1	$ 77.4

Employee Benefit Plans - Sche_7

Employee Benefit Plans - Schedule of Combined Funded Status and Net Periodic Pension Cost and Postretirement Benefit - Postretirement Benefits (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Amounts recognized in Consolidated Balance Sheets
Noncurrent liability	$ 17.7	$ 20.7
Other Postretirement Benefits Plan [Member]
Change in Benefit Obligation:
Beginning balance	12.6	14.1
Interest cost	0.2	0.1	$ 0.3
Participant contributions	0.6	0.3
Actuarial gain	(3.1)	(0.8)
Benefits paid	(1.5)	(1.1)
Ending balance	8.8	12.6	$ 14.1
Change in Plan Assets:
Company contributions	0.9	0.8
Participant contributions	0.6	0.3
Benefits paid	(1.5)	(1.1)
Funded status of plans	(8.8)	(12.6)
Amounts recognized in Consolidated Balance Sheets
Current liability	1.6	1.8
Noncurrent liability	7.2	10.8
Amounts recognized in Accumulated Other Comprehensive Loss
Accumulated other comprehensive loss (income), net of tax of ($4.9) million and $(5.0) million, respectively	$ (8.4)	$ (7.6)

Employee Benefit Plans - Sche_8

Employee Benefit Plans - Schedule of Combined Funded Status and Net Periodic Pension Cost and Postretirement Benefit - Postretirement Benefits (Parenthetical) (Detail) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Other Postretirement Benefits Plan [Member]
Accumulated other comprehensive loss (income), tax	$ (5.4)	$ (5)

Employee Benefit Plans - Projec

Employee Benefit Plans - Projected future postretirement benefit payments and future receipts from the federal subsidy (Detail) - Other Postretirement Benefits Plan [Member] $ in Millions	Dec. 31, 2022 USD ($)
Defined benefit plan, expected future benefit payment
2023	$ 1.6
2024	1.3
2025	1.2
2026	1.1
2027	1
Next five years	$ 3.1

Share-Based Compensation - Addi

Share-Based Compensation - Additional Information (Detail)				12 Months Ended
Share-Based Compensation - Additional Information (Detail)	Feb. 24, 2022	Nov. 09, 2018 shares	Apr. 24, 2018 shares	Dec. 31, 2022 USD ($) StockOption $ / shares shares	Dec. 31, 2021 USD ($) $ / shares	Dec. 31, 2020 USD ($) $ / shares shares	Feb. 23, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation expense \| $				$ 144,800,000	$ 113,400,000	$ 65,800,000
Performance Shares [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of tranches of stock options \| StockOption				2
Weighted average grant date fair value per share \| $ / shares						$ 16.03
Share-based compensation expense related to unvested stock option awards not yet recognized \| $				$ 2,600,000
Share-based compensation expense related to unvested awards expected to be recognized over a weighted average period				3 months 18 days
Term Based Stock Options [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation expense related to unvested stock option awards not yet recognized \| $				$ 30,000,000
Share-based compensation expense related to unvested awards expected to be recognized over a weighted average period				8 months 12 days
Stock options, vested				4,965,415
Restricted Stock Units (RSUs) [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation expense related to unvested awards expected to be recognized over a weighted average period				1 year 4 months 24 days
Stock options, vested				568,134
Shares issued upon vesting of RSUs				504,586
Vested and releasable				661,484
Share-based compensation expense related to unvested restricted stock units not yet recognized \| $				$ 102,600,000
Share-based Compensation Award, Tranche Three [Member] \| Restricted Stock Units (RSUs) [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted stock vesting period				4 years
Minimum [Member] \| Restricted Stock Units (RSUs) [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted stock vesting period				1 year
Maximum [Member] \| Restricted Stock Units (RSUs) [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted stock vesting period				3 years
HCM Stock Incentive Plan 2007 [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common shares outstanding				0
HCM Stock Incentive Plan 2013 [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common shares outstanding				850,736
HCM Stock Incentive Plan 2013 [Member] \| Term Based Stock Options [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected term of stock options granted				7 years
HCM Equity Incentive Plan 2018 [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common shares outstanding				11,803,072
Share based compensation arrangement by share based payment award exercise period after employment termination			90 days
Stock option awards, contractual term			10 years
Number of shares authorized			13,500,000
Shares reserved for issuance increase percentage			3%				3%
Shares available for future grants of equity awards				13,726,148
HCM Equity Incentive Plan 2018 [Member] \| Performance Shares [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options, Granted						1,500,000
Exercise price per share \| $ / shares						$ 65.26
Vesting conditions description				The vesting conditions for the Performance Option Award are based on our performance on the New York Stock Exchange (“NYSE”) with (i) 750,000 shares available to vest when our per share closing price on the NYSE meets or exceeds $110.94, or 1.7 times the exercise price, for ten consecutive trading days (“Performance Metric #1”) and (ii) the remaining 750,000 shares are available to vest when our per share closing price on the NYSE meets or exceeds $130.52, or 2.0 times the exercise price, for ten consecutive trading days (“Performance Metric #2”, collectively with Performance Metric #1, the “Performance Metrics”). The vesting conditions of the Performance Metrics must be achieved prior to May 8, 2025, or any unvested portion of the Performance Option Award will terminate. Further, no portion of the Performance Option Award will vest and become exercisable until May 8, 2023, the third anniversary of the Grant Date (the “Time-Based Metric”). The shares underlying Performance Metric #1, which was achieved on October 6, 2021, will vest and become exercisable on May 8, 2023 provided that continuous employment is maintained through that date. If Performance Metric #2 is met prior to satisfying the Time-Based Metric, the shares underlying Performance Metric #2 will vest and become exercisable on May 8, 2023 provided that continuous employment is maintained through that date.
HCM Equity Incentive Plan 2018 [Member] \| Performance Shares [Member] \| Monte-Carlo Simulation Model [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted stock vesting period						5 years 3 months 18 days
HCM Equity Incentive Plan 2018 [Member] \| Term Based Stock Options [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected term of stock options granted				7 years
HCM Equity Incentive Plan 2018 [Member] \| Share-based Compensation Award, Tranche Two [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted stock vesting period			3 years
HCM Equity Incentive Plan 2018 [Member] \| Share-based Compensation Award, Tranche Three [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted stock vesting period			4 years
HCM Equity Incentive Plan 2018 [Member] \| Closing Price Per Share Exceeds $110.94 or 1.7 Times the Exercise Price [Member] \| Performance Shares [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares available to vest						750,000
Closing price per share on NYSE to available for vest \| $ / shares						$ 110.94
HCM Equity Incentive Plan 2018 [Member] \| Closing Price Per Share Exceeds $130.52 or 2.0 Times the Exercise Price [Member] \| Performance Shares [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares available to vest						750,000
Closing price per share on NYSE to available for vest \| $ / shares						$ 130.52
HCM Equity Incentive Plan 2018 [Member] \| Minimum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted stock vesting period			1 year
HCM Equity Incentive Plan 2018 [Member] \| Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted stock vesting period			5 years
2020 Management Incentive Plan [Member] \| Performance Stock Units ("PSUs") [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation expense \| $						$ 0
Stock options, vested						0
2021 Management Incentive Plan [Member] \| Performance Stock Units ("PSUs") [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Maximum incentive vesting of PSUs				150%
Share-based compensation expense related to unvested PSUs not yet recognized \| $				$ 11,800,000
2021 Management Incentive Plan [Member] \| Share-based Compensation Award, Tranche One [Member] \| Performance Stock Units ("PSUs") [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting percentage					33.33%
Vesting date					Mar. 08, 2022
2021 Management Incentive Plan [Member] \| Share-based Compensation Award, Tranche Two [Member] \| Performance Stock Units ("PSUs") [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting percentage					33.33%
Vesting date					Mar. 08, 2023
2021 Management Incentive Plan [Member] \| Share-based Compensation Award, Tranche Three [Member] \| Performance Stock Units ("PSUs") [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting percentage					33.33%
Vesting date					Mar. 08, 2024
2022 Management Incentive Plan [Member] \| Performance Stock Units ("PSUs") [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted stock vesting period				3 years
Maximum percentage level achieving payout of PSUs	167%
Maximum thresholds incentive vesting of PSUs	0%
HCM Global Employee Stock Purchase Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock option awards, contractual term		10 years
Weighted average grant date fair value per share \| $ / shares				$ 21.16	$ 22.07	$ 17.11
Expected term of stock options granted				3 months 18 days	3 months 18 days	3 months 18 days
Description for purchase price of fair market value of common stock				The purchase price is the lower of 85% of the fair market value of a share of common stock on (i) January 1 or (ii) the purchase date.
Percentage of fair market value of a share of common stock on offering date or purchase date		85%
HCM Global Employee Stock Purchase Plan [Member] \| Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares authorized		2,500,000

Share-Based Compensation - Summ

Share-Based Compensation - Summary of Performance-Based Option Activity (Detail) - Performance Shares [Member] - Share Based Compensation Plans [Member] - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Shares
Options Outstanding at Beginning of Period	1,777,050	1,844,279	68,281
Options, Granted			1,818,728
Options, Exercised	(14,755)	(65,882)	(42,730)
Options, Forfeited or expired	(1,857)	(1,347)
Options Outstanding at End of Period	1,760,438	1,777,050	1,844,279	68,281
Options Exercisable at End of Period	260,438
Weighted Average Exercise Price (per share)
Weighted Average Exercise Price at Beginning of Period	$ 64.72	$ 64.55	$ 13.58
Weighted Average Exercise Price, Granted			65.27
Weighted Average Exercise Price, Exercised	(13.46)	(47.23)	(13.46)
Weighted Average Exercise Price at End of Period	66.10	$ 64.72	$ 64.55	$ 13.58
Weighted Average Exercise Price Exercisable at End of Period	$ 70.90
Weighted Average Remaining Contractual Term (in years)
Weighted Average Remaining Contractual Term (in years)	7 years 4 months 24 days	8 years 3 months 18 days	9 years 2 months 12 days	2 years 7 months 6 days
Weighted Average Remaining Contractual Term Exercisable (in years)	7 years 6 months
Aggregate Intrinsic Value
Aggregate Intrinsic Value, Options Outstanding	$ 0.1	$ 70.6	$ 77.5	$ 3.7
Aggregate Intrinsic Value, Options Exercisable	$ 0.1

Share-Based Compensation - Su_2

Share-Based Compensation - Summary of Term-Based Stock Option Activity (Detail) - Term Based Stock Options [Member] - Share Based Compensation Plans [Member] - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Shares
Options Outstanding at Beginning of Period	8,515,869	10,983,074	13,144,937
Options, Granted	81,145	759,126	2,282,334
Options, Exercised	(931,520)	(2,942,465)	(3,889,096)
Options, Forfeited or expired	(369,408)	(283,866)	(555,101)
Options Outstanding at End of Period	7,296,086	8,515,869	10,983,074	13,144,937
Options Exercisable at End of Period	4,965,415
Weighted Average Exercise Price (per share)
Weighted Average Exercise Price at Beginning of Period	$ 48.87	$ 40.47	$ 29.74
Weighted Average Exercise Price, Granted	56.29	84.07	66.06
Weighted Average Exercise Price, Exercised	(32.14)	(26.71)	(20.42)
Weighted Average Exercise Price, Forfeited or expired	(58.59)	(48.62)	(32.09)
Weighted Average Exercise Price at End of Period	50.59	$ 48.87	$ 40.47	$ 29.74
Weighted Average Exercise Price Exercisable at End of Period	$ 44.23
Weighted Average Remaining Contractual Term (in years)
Weighted Average Remaining Contractual Term (in years)	6 years 4 months 24 days	7 years 3 months 18 days	7 years 9 months 18 days	7 years 9 months 18 days
Weighted Average Remaining Contractual Term Exercisable (in years)	6 years 4 months 24 days
Aggregate Intrinsic Value
Aggregate Intrinsic Value, Options Outstanding	$ 117.4	$ 473.4	$ 725.9	$ 501.3
Aggregate Intrinsic Value, Options Exercisable	$ 104.9

Share-Based Compensation - Othe

Share-Based Compensation - Other Information Pertaining to Term-Based Options (Detail) - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Term Based Stock Options [Member] \| Share Based Compensation Plans [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted average grant date fair value per share	$ 24.12	$ 33.09	$ 21.15

Share-Based Compensation - Fair

Share-Based Compensation - Fair Value of Stock Option Estimated Using Black-Scholes Option Pricing Model (Detail) - Term Based Stock Options [Member] - Share Based Compensation Plans [Member]	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected volatility	40.70%	35.80%	29.80%
Expected dividend rate	0%	0%	0%
Risk-free interest rate	2.60%	1.30%	0.60%

Share-Based Compensation - Su_3

Share-Based Compensation - Summary of Restricted Stock Units Activity (Detail) - Restricted Stock Units (RSUs) [Member] - shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Restricted Stock Units
RSUs, Shares issued upon vesting of RSUs	(568,134)
Shares, releasable at End of Period	661,484
Share Based Compensation Plans [Member]
Restricted Stock Units
Shares, outstanding at Beginning of Period	1,935,939	1,389,385	819,818
RSUs, Granted	1,624,345	890,852	685,997
RSUs, Shares issued upon vesting of RSUs	(504,586)	(262,239)	(73,475)
RSUs, Forfeited or canceled	(164,881)	(82,059)	(42,955)
Shares, outstanding at End of Period	2,890,817	1,935,939	1,389,385
Shares, releasable at End of Period	661,484

Share-Based Compensation - Ot_2

Share-Based Compensation - Other Information Pertaining to RSUs (Detail) - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Restricted Stock Units (RSUs) [Member] \| Share Based Compensation Plans [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted average grant date fair value per share	$ 69.35	$ 85.08	$ 69.57

Share-Based Compensation - Su_4

Share-Based Compensation - Summary of Performance Stock Units (Detail) - Performance Stock Units ("PSUs") [Member] - Share Based Compensation Plans [Member] - shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Shares, outstanding at Beginning of Period	318,745	135,220	0
Shares, Granted	582,662	348,483	145,017
Shares issued upon vesting	(168,414)	(2,050)
Shares, Forfeited or canceled	(26,526)	(162,908)	(9,797)
Shares, outstanding at End of Period	706,467	318,745	135,220
Shares, releasable at End of Period	0

Share-Based Compensation - Su_5

Share-Based Compensation - Summary of Global Employee Stock Purchase Plan Activity (Detail) - Common Stock [Member] - HCM Global Employee Stock Purchase Plan [Member] - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares issued	243,043	153,235
Weighted average purchase price (per share)	$ 48.59	$ 81.69

Share-Based Compensation - Su_6

Share-Based Compensation - Summary of Fair Value of Stock Purchase Rights Granted under the Global Employee Stock Purchase Plan Estimated Using Weighted-Average Assumptions (Detail) - HCM Global Employee Stock Purchase Plan [Member] - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected volatility	29.30%	33.70%	46.40%
Expected dividend rate	0%	0%	0%
Risk-free interest rate	0.20%	0.10%	1.10%
Expected term (in years)	3 months 18 days	3 months 18 days	3 months 18 days
Grant date fair value per share	$ 21.16	$ 22.07	$ 17.11

Revenue - Additional Informatio

Revenue - Additional Information (Detail) $ in Millions	12 Months Ended
Revenue - Additional Information (Detail) $ in Millions	Dec. 31, 2022 USD ($) Cloudoffering Employee Customer Service	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Revenue [Line Items]
Number of customers \| Customer	0
Status of customer accounts	No single customer accounts for 10% or more of our consolidated revenue for any of the periods presented.
Contract asset	$ 68.5	$ 62.7
Remaining performance obligation, description of practical expedient	In accordance with the practical expedient provided in ASC Topic 606, performance obligations that are billed and recognized as they are delivered, primarily professional services contracts that are on a time and materials basis, are excluded from the transaction price for remaining performance obligations disclosed above.
Customer Concentration Risk [Member] \| Sales Revenue, Net [Member] \| Significant Customer [Member]
Revenue [Line Items]
Status of customer accounts, percentage	10%
Cloud Revenue [Member]
Revenue [Line Items]
Number of cloud offering delivering solution \| Cloudoffering	2
Powerpay [Member] \| Maximum [Member]
Revenue [Line Items]
Number of employees generating revenue from recurring fees \| Employee	20
Bureau Revenue [Member]
Revenue [Line Items]
Number of primary service lines delivering solutions \| Service	3
Recurring [Member]
Revenue [Line Items]
Float revenue	$ 80.2	$ 41.1	$ 52.3

Revenue - Summary of Disaggrega

Revenue - Summary of Disaggregation of Revenue (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Disaggregation Of Revenue [Line Items]
Total revenue	$ 1,246.2	$ 1,024.2	$ 842.5
Cloud Dayforce Recurring [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	815.2	626.6	500.2
Cloud Dayforce Professional Services and Other [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	181.7	159.3	148.6
Cloud Dayforce Revenue [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	996.9	785.9	648.8
Cloud Powerpay Recurring [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	93.2	86.3	79.5
Cloud Powerpay Professional Services and Other [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	0.7	0.9	1.1
Cloud Powerpay Revenue [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	93.9	87.2	80.6
Cloud Revenue [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	1,090.8	873.1	729.4
Bureau Recurring Revenue [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	139.2	137.8	110.5
Bureau Professional Services and Other Revenue [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	16.2	13.3	2.6
Bureau Revenue [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	$ 155.4	$ 151.1	$ 113.1

Revenue - Schedule of Revenue b

Revenue - Schedule of Revenue by Country (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenue	$ 1,246.2	$ 1,024.2	$ 842.5
United States [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenue	784.1	624.4	579.3
Canada [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenue	288.6	254.2	223.5
Other Country [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenue	$ 173.5	$ 145.6	$ 39.7

Revenue - Schedule of Changes i

Revenue - Schedule of Changes in Deferred Revenue (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Revenue from Contract with Customer [Abstract]
Deferred revenue, beginning of period	$ 48.7	$ 24.4
New billings	673.6	565
Acquired billings		16.6
Revenue recognized	(679.2)	(556.5)
Effect of exchange rate	(1.9)	(0.8)
Deferred revenue, end of period	$ 41.2	$ 48.7

Revenue - Additional Informat_2

Revenue - Additional Information 1 (Detail) - Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2023-01-01 $ in Millions	Dec. 31, 2022 USD ($)
Revenue [Line Items]
Remaining performance obligations recognition period	3 years
Revenue expected to be recognized, amount	$ 1,143.6

Accumulated Other Comprehensi_3

Accumulated Other Comprehensive Income (Loss) - Components of Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	$ 2,227.5	$ 2,098.2
Other comprehensive loss before income taxes and reclassifications	(208.8)	(75.1)
Income tax benefit (expense)	36.9	11.2
Reclassifications to earnings	11.7	15.1
Other comprehensive loss	(160.2)	(48.8)
Ending balance	2,109.4	2,227.5
Foreign Currency Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(177.3)	(159.7)
Other comprehensive loss before income taxes and reclassifications	(56.7)	(17.6)
Other comprehensive loss	(56.7)	(17.6)
Ending balance	(234)	(177.3)
Unrealized Gain (Loss) from Invested Customer Funds [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	2.8	38.4
Other comprehensive loss before income taxes and reclassifications	(134.6)	(48.4)
Income tax benefit (expense)	35.4	12.8
Other comprehensive loss	(99.2)	(35.6)
Ending balance	(96.4)	2.8
Pension Liability Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(150.3)	(154.7)
Other comprehensive loss before income taxes and reclassifications	(17.5)	(9.1)
Income tax benefit (expense)	1.5	(1.6)
Reclassifications to earnings	11.7	15.1
Other comprehensive loss	(4.3)	4.4
Ending balance	(154.6)	(150.3)
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(324.8)	(276)
Ending balance	$ (485)	$ (324.8)

Income Taxes - Provision for In

Income Taxes - Provision for Income Taxes (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Loss before income taxes:
U.S.	$ (0.7)	$ (73.6)	$ 41.5
International	(62.2)	(16.7)	(61.6)
Loss before income taxes	(62.9)	(90.3)	(20)
Current:
U.S.	4.5	0.9	(6.5)
State and local	1.9	0.4	0.1
International	5.8	22.3	(2.6)
Total current income tax expense (benefit)	12.2	23.6	(9)
Deferred:
U.S.	7.8	(22.3)	(1.1)
State and local	(2.1)	(5)	0.1
International	(7.4)	(11.2)	(6)
Total deferred income tax benefit	(1.7)	(38.5)	(7)
Total income tax expense (benefit)	$ 10.5	$ (14.9)	$ (16)

Income Taxes - Reconciliation o

Income Taxes - Reconciliation of U.S. Federal Statutory Rate (Detail)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Federal statutory tax rate	21%	21%	21%
Change in valuation allowance	2.50%	(0.70%)	(0.30%)
State income taxes, net of federal benefit	0.80%	5.90%	2.20%
Share-based compensation	(25.60%)	(3.50%)	3.90%
International tax rate differential	0.20%	(2.40%)	8.90%
Foreign capital gain income		(1.30%)	(7.50%)
Unremitted foreign earnings		2.90%	14.50%
Acquisition costs		(2.30%)
Base erosion tax	(5.70%)	(1.60%)	33.90%
Global intangible low taxed income	(11.30%)
Reserve for tax contingencies		2.10%	1.20%
Change in tax rate	1.60%
Unutilized tax benefits		(3.40%)
Other	(0.20%)	(0.20%)	2.20%
Total tax rate	(16.70%)	16.50%	80%

Income Taxes - Additional Infor

Income Taxes - Additional Information (Detail) - USD ($)	12 Months Ended
Income Taxes - Additional Information (Detail) - USD ($)	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Taxes [Line Items]
Valuation allowance	$ 44,100,000	$ 46,800,000
Net federal tax benefit, available from the loss carryovers	66,200,000
Tax credit carryovers	300,000	600,000
Federal net operating loss	14,800,000
State net operating loss tax benefit, amount	32,500,000
Foreign net operating loss tax benefit, amount	$ 22,100,000
Income tax examination description	With a few exceptions, we are no longer subject to U.S. federal, state and local, or non-U.S. income tax examinations by tax authorities for years before 2018.
Unrecognized tax benefits	$ 0	$ 0	$ 1,800,000
Unremitted foreign earnings	343,500,000
Ascender HCM Pty Ltd. and Ideal [Member]
Income Taxes [Line Items]
Valuation allowance	$ 31,000,000
Earliest Tax Year [Member]
Income Taxes [Line Items]
Tax credit carryforward, expiration date	Dec. 31, 2027
Latest Tax Year [Member]
Income Taxes [Line Items]
Tax credit carryforward, expiration date	Dec. 31, 2042
Indefinite Period [Member]
Income Taxes [Line Items]
Federal net operating loss	$ 51,400,000
State [Member]
Income Taxes [Line Items]
Valuation allowance	$ 12,400,000
Net operating loss expiration period	Dec. 31, 2023
Federal [Member] \| Earliest Tax Year [Member]
Income Taxes [Line Items]
Net operating loss expiration period	Dec. 31, 2031
Federal [Member] \| Latest Tax Year [Member]
Income Taxes [Line Items]
Net operating loss expiration period	Dec. 31, 2037

Income Taxes - Components of De

Income Taxes - Components of Deferred Tax Asset and Liability (Detail) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Deferred tax asset:
Employment related accruals	$ 27.8	$ 16.9
Intangibles	13.5	10.6
Software development costs	14.9
Customer funds	31.2
Other	33.7	19.2
Foreign tax credit carryover and other credit carryovers	0.3	0.6
Net operating loss carryforwards	120.8	161.5
Total gross deferred tax asset	242.2	208.8
Valuation allowance	(44.1)	(46.8)
Total deferred tax asset	198.1	162
Deferred tax liability:
Intangibles	(60.8)	(75.4)
Deferred contract costs	(33.5)	(29.4)
Other	(7.8)	(24.6)
Total deferred tax liability	(102.1)	(129.4)
Net deferred tax asset	96	32.6
U.S. [Member]
Deferred tax liability:
Net deferred tax asset	79.8	38.9
International [Member]
Deferred tax liability:
Net deferred tax liability		$ (6.3)
Net deferred tax asset	$ 16.2

Income Taxes - Unrecognized Tax

Income Taxes - Unrecognized Tax Benefits (Detail)	12 Months Ended
Income Taxes - Unrecognized Tax Benefits (Detail)	Dec. 31, 2021 USD ($)
Federal, State and Foreign Tax
Beginning unrecognized tax balance	$ 1,800,000
Decrease prior period positions	(1,800,000)
Ending unrecognized tax benefits	$ 0

Leases - Additional Information

Leases - Additional Information (Detail) - USD ($) $ in Millions		12 Months Ended
	Dec. 15, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Lessee Lease Description [Line Items]
Maximum initial term of leases which are not recorded on balance sheet		12 months
Sale leaseback transaction, lease terms	two year
Florida [Member]
Lessee Lease Description [Line Items]
Lease facility sale value	$ 40
Gain on the sale	$ 19.1
Selling, General and Administrative Expense [Member] \| Abandonment of Leases Associated with Office Locations [Member]
Lessee Lease Description [Line Items]
Charges			$ 1.8	$ 16.8
Accelerated amortization of right of use assets				14.7
Accelerated depreciation of leasehold improvements				$ 2.1

Leases - Supplemental Balance S

Leases - Supplemental Balance Sheet Information Related to Leases (Detail) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Operating Leased Assets [Line Items]
Right of use lease asset	$ 24.3	$ 29.4
Financing lease assets noncurrent	$ 7	$ 8.3
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property, plant, and equipment, net	Property, plant, and equipment, net
Total lease assets	$ 34.2	$ 41.3
Finance lease liability current	$ 1	$ 1.5
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Current portion of long-term debt	Current portion of long-term debt
Operating lease liability current	$ 10	$ 11.3
Finance lease liability Noncurrent	$ 7.4	$ 8.1
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Long-term debt, less current portion	Long-term debt, less current portion
Operating lease liability noncurrent	$ 23.7	$ 32.7
Total lease liabilities	42.1	53.6
Trade And Other Receivables Net [Member]
Operating Leased Assets [Line Items]
Operating lease assets current	0.1	0.2
Prepaid Expenses and Other Current Assets [Member]
Operating Leased Assets [Line Items]
Operating lease assets current	$ 2.8	$ 3.4

Leases - Components of Lease Ex

Leases - Components of Lease Expense (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Lease Cost
Operating lease cost	$ 9.8	$ 6.1	$ 9.1
Financing lease cost:
Depreciation of lease assets	1.3	1.3	0.8
Interest on lease liabilities	0.3	0.3	0.4
Sublease income	(0.5)	(2.2)	(4.1)
Net lease cost	$ 10.9	$ 5.5	$ 6.2

Leases - Supplemental Cash Flow

Leases - Supplemental Cash Flow Information Related to Leases (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 8.7	$ 11.6
Operating cash flows from finance leases	0.3	1.9
Financing cash flows from finance leases	1.6	1
Lease assets obtained in exchange for new lease liabilities:
Operating leases	$ 7.8	$ 2.2

Leases - Future Minimum Lease P

Leases - Future Minimum Lease Payments Under Operating and Financing Leases (Detail) $ in Millions	Dec. 31, 2022 USD ($)
Operating and Finance Leases
2023	$ 14.3
2024	11
2025	7.9
2026	4.7
2027	2.3
Thereafter	6.2
Total lease payments	46.4
Less: Interest	4.3
Total	$ 42.1

Leases - Schedule of Weighted A

Leases - Schedule of Weighted Average Remaining Lease Term and Weighted Average Discount Rate (Detail)	Dec. 31, 2022	Dec. 31, 2021
Leases [Abstract]
Operating leases, weighted average remaining lease term	3 years 7 months 6 days	5 years 9 months 18 days
Financing leases, weighted average remaining lease term	8 years 3 months 18 days	8 years 10 months 24 days
Operating leases, weighted average discount rate	4.34%	4.07%
Financing leases, weighted average discount rate	3.88%	3.81%

Commitments and Contingencies -

Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Commitments And Contingencies [Line Items]
Recognized an undiscounted liability	$ 4.3	$ 4.5
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration]	Other Accrued Liabilities, Current	Other Accrued Liabilities, Current

Related Party Transactions - Sc

Related Party Transactions - Schedule of Revenue from Portfolio Companies (Detail) - Dayforce [Member] - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
FleetCor Technologies, Inc. [Member]
Related Party Transaction [Line Items]
Revenue from related parties	$ 0.8	$ 0.6	$ 0.9
The Stronach Group [Member]
Related Party Transaction [Line Items]
Revenue from related parties	0.1	0.1	0.1
Verve Senior Living [Member]
Related Party Transaction [Line Items]
Revenue from related parties	0.4	0.4	0.5
Environmental 360 Solutions [Member]
Related Party Transaction [Line Items]
Revenue from related parties	0.2
Fidelity National Financial, Inc. [Member]
Related Party Transaction [Line Items]
Revenue from related parties	0.4	0.4	0.4
Guaranteed Rate, Inc. [Member]
Related Party Transaction [Line Items]
Revenue from related parties	1.7	1.7	0.9
HighTower Advisors, LLC [Member]
Related Party Transaction [Line Items]
Revenue from related parties	0.4	0.3	0.2
Ten-X, LLC [Member]
Related Party Transaction [Line Items]
Revenue from related parties	0.2	$ 0.2	$ 0.2
Smile Doctors [Member]
Related Party Transaction [Line Items]
Revenue from related parties	1
The Dun and Bradstreet Corporation [Member]
Related Party Transaction [Line Items]
Revenue from related parties	$ 1.8

Related Party Transactions - _2

Related Party Transactions - Schedule of Payments to Portfolio Companies (Detail) - Service Agreements [Member] - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Dun and Bradstreet [Member]
Related Party Transaction [Line Items]
Payment to service provider	$ 0.3	$ 0.4	$ 0.4
Manulife Financial [Member]
Related Party Transaction [Line Items]
Payment to service provider	$ 6	$ 8.1	$ 7.3

Capital Stock and Net Loss pe_3

Capital Stock and Net Loss per Share - Additional Information (Detail) Unit in Millions	12 Months Ended
	Dec. 31, 2022 Unit $ / shares shares	Dec. 31, 2021 shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Convertible senior notes would have been convertible into shares of our common stock \| Unit	4.3
Common Stock, shares issued	153,856,645	151,995,031
Common Stock, shares outstanding	153,856,645	151,995,031
Convertible Senior Notes [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Initial Conversion Price per Share \| $ / shares	$ 132.20

Capital Stock and Net Loss pe_4

Capital Stock and Net Loss per Share - Schedule of Computations of Basic and Diluted Net Loss per Share (Detail) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Numerator:
Net loss	$ (73.4)	$ (75.4)	$ (4)
Denominator:
Weighted-average shares outstanding - basic	152,940,299	150,402,321	146,774,471
Weighted-average shares outstanding - diluted	152,940,299	150,402,321	146,774,471
Net loss per share - basic	$ (0.48)	$ (0.50)	$ (0.03)
Net loss per share - diluted	$ (0.48)	$ (0.50)	$ (0.03)

Capital Stock and Net Loss pe_5

Capital Stock and Net Loss per Share - Schedule of Potentially Dilutive Weighted Average Shares Excluded from Calculation of Diluted Net Loss per Share (Detail) - shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount	5,565,875	5,874,818	7,135,159
Restricted Stock Units (RSUs) [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount	517,130	604,770	745,955
Performance Stock Units ("PSUs") [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount	1,383,847	549,583	229,433