ACQUISITIONS AND DIVESTITURES - Recognized Identified Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Dec. 27, 2021	Aug. 24, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Goodwill	$ 9,048.5	$ 9,152.0			$ 7,359.2
Provation
Business Acquisition [Line Items]
Accounts receivable	41.6
Goodwill	972.0		$ 972.0
Other intangible assets, primarily customer relationships, technology, database, and trade names	586.5
Deferred revenue, current	(50.2)
Deferred tax liabilities	(117.0)
Other assets and liabilities, net	(28.2)
Net cash consideration	1,404.7
ServiceChannel
Business Acquisition [Line Items]
Accounts receivable	10.1
Goodwill	867.5			$ 868.0
Other intangible assets, primarily customer relationships, technology, database, and trade names	342.9
Deferred revenue, current	(1.7)
Deferred tax liabilities	(41.9)
Other assets and liabilities, net	(10.6)
Net cash consideration	1,166.3
Provation and Service Channel Acquisition
Business Acquisition [Line Items]
Accounts receivable	51.7
Goodwill	1,839.5
Other intangible assets, primarily customer relationships, technology, database, and trade names	929.4
Deferred revenue, current	(51.9)
Deferred tax liabilities	(158.9)
Other assets and liabilities, net	(38.8)
Net cash consideration	$ 2,571.0
Acquisitions 2021
Business Acquisition [Line Items]
Accounts receivable		51.8
Goodwill		1,838.6
Other intangible assets, primarily customer relationships, technology, database, and trade names		929.4
Inventories		11.3
Property, plant and equipment		3.3
Trade accounts payable		(10.6)
Other assets and liabilities, net		(255.0)
Net cash consideration		$ 2,568.8
Acquisitions 2020
Business Acquisition [Line Items]
Accounts receivable					0.1
Goodwill					30.9
Other intangible assets, primarily customer relationships, technology, database, and trade names					9.5
Inventories					26.9
Property, plant and equipment					5.0
Trade accounts payable					(1.1)
Other assets and liabilities, net					(41.8)
Net cash consideration					$ 29.5