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Business Combinations, Goodwill and Other Intangible Assets Business Combinations, Earn-out Payments (Details) $ in Millions	Sep. 30, 2022 USD ($) acquisition	Dec. 31, 2021 USD ($) acquisition
Summary of Earn-out Payments [Line Items]
Number Of Acquisitions Subject To Potential Earn Out Payments Provisions | acquisition	18	19
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, High, Value	$ 136.6	$ 149.9
Business Combination, Contingent Consideration, Liability, Current	45.2	45.8
Business Combination, Contingent Consideration, Liability, Noncurrent	59.3	66.3
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Summary of Earn-out Payments [Line Items]
Business Combination, Contingent Consideration, Liability, Current	27.4	39.0
Business Combination, Contingent Consideration, Liability, Noncurrent	$ 49.2	$ 45.1

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Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled within one year or the normal operating cycle, if longer.

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Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled beyond one year or the normal operating cycle, if longer.

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