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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-Name Accounting Standards Codification
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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	1.0
The Dun and Bradstreet Corporation [Member]
Related Party Transaction [Line Items]
Revenue from related parties	$ 1.8