Acquisitions - Recognized Identified Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions	Apr. 01, 2022	Dec. 31, 2021	Dec. 27, 2021	Aug. 24, 2021
Business Acquisition [Line Items]
Goodwill	$ 9,132.9	$ 9,152.0
Provation and Service Channel Acquisition
Business Acquisition [Line Items]
Accounts receivable	51.7
Goodwill	1,850.5
Other intangible assets, primarily customer relationships, technology, database, and trade names	929.4
Deferred revenue, current	(51.9)
Deferred tax liabilities	(170.2)
Other assets and liabilities, net	(38.0)
Net cash consideration	2,571.5
Provation
Business Acquisition [Line Items]
Accounts receivable	41.6
Goodwill	977.6		$ 978.0
Other intangible assets, primarily customer relationships, technology, database, and trade names	586.5
Deferred revenue, current	(50.2)
Deferred tax liabilities	(119.4)
Other assets and liabilities, net	(30.5)
Net cash consideration	1,405.6
ServiceChannel
Business Acquisition [Line Items]
Accounts receivable	10.1
Goodwill	872.9			$ 873.0
Other intangible assets, primarily customer relationships, technology, database, and trade names	342.9
Deferred revenue, current	(1.7)
Deferred tax liabilities	(50.8)
Other assets and liabilities, net	(7.5)
Net cash consideration	$ 1,165.9