Acquisitions, Goodwill, and Other Intangible Assets (Purchase Price Allocation) (Details) (Details) - USD ($) $ in Millions			12 Months Ended
	Jun. 30, 2022	Jun. 01, 2022	Dec. 31, 2022	Dec. 31, 2024	Dec. 31, 2023
Business Acquisition, Purchase Price Allocation [Abstract]
Goodwill			$ 1,571.7	$ 1,562.0	$ 1,578.8
LCD
Business Acquisition, Purchase Price Allocation [Abstract]
Consideration		$ 645.5
Accounts receivable and other current assets		9.7
Deferred revenue		(25.8)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net		259.5
Finite-lived Intangible Assets Acquired		275.6
Goodwill, Acquired During Period		$ 386.0
Praemium
Business Acquisition, Purchase Price Allocation [Abstract]
Consideration	$ 44.9
Cash and cash equivalents	5.5
Accounts receivable and other current assets	3.3
Deferred revenue	(0.3)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities	(5.4)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	23.0
Finite-lived Intangible Assets Acquired	22.1		$ 22.1
Goodwill, Acquired During Period	21.9
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other	$ (2.2)