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Restructuring and Acquisition Charges (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Restructuring Cost and Reserve [Line Items]
Share-based Payment Arrangement, Noncash Expense	$ 3.4	$ 6.1	$ 17.8
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	(4.4)	(3.3)	2.6
Restructuring and acquisition charges	100.7	104.8	84.7
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	62.1	44.5	14.3
Contract Termination and Other Charges
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 39.6	$ 57.5	$ 50.0

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Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

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