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Restructuring and Acquisition Charges (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Restructuring and Related Activities [Abstract]
Restructuring and acquisition charges	$ (21.0)	$ (15.6)	$ (66.4)	$ (50.9)
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	(0.1)	0.0	0.2	1.0
Share-based Payment Arrangement, Noncash Expense	0.3	3.2	$ 5.7	15.2
Restructuring reserve [Roll Forward]
Document Period End Date			Sep. 30, 2022
Severance [Member]
Restructuring reserve [Roll Forward]
Restructuring charges	9.4	1.2	$ 21.0	2.1
Lease Exit [Member]
Restructuring reserve [Roll Forward]
Restructuring charges	$ 11.4	$ 11.2	$ 39.5	$ 32.6

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For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.

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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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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan and expenses resulting from the write-down of assets. Excludes expenses related to a business combination, a discontinued operation or an asset retirement obligation.

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