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Related Party Transactions - Additional Information (Detail) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Apr. 30, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Cannae and THLM [Member]
Number of years for which present value of the management fee to be paid in case of agreement termination	7 years
Management agreement termination fee	$ 11.3
Management fee				$ 12.0
FNF [Member]
Interest payments received				1.3
FNF [Member] | Payroll-Related Tax Filing Services [Member]
Revenue from related parties		$ 0.4	$ 0.4	0.4
CompuCom Systems, Inc. [Member]
Payment to service provider			1.7	1.8
Fleet Cor Technologies Or Wholly Owned Affiliates [Member] | Dayforce HCM Services and Other Administrative Services [Member]
Revenue from related parties		0.9	0.8	2.3
Dun and Bradstreet [Member] | Service Agreement [Member]
Payment to service provider		0.4
The Stronach Group [Member] | Dayforce [Member]
Revenue from related parties		0.1	0.2	0.3
Verve Senior Living [Member] | Dayforce [Member]
Revenue from related parties		$ 0.5
Cannae Holdings, Inc. and Related Entities [Member] | Dayforce [Member]
Revenue from related parties			$ 0.2	$ 0.2

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- Definition

Management Agreement Termination Fee

+ References

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Number of years for which present value of the management fee to be paid in case of agreement termination

+ References

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Amount of expenses related to the managing member or general partner for management of the day-to-day business functions of the limited liability company (LLC) or limited partnership (LP).

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Payments of cash to suppliers for goods and services during the current period.

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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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