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Business Combinations, Goodwill and Other Intangible Assets Business Combinations, Earn-out Payments (Details) $ in Millions | Jun. 30, 2022 USD ($) acquisition | Dec. 31, 2021 USD ($) acquisition
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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 | $ 134.6 | $ 149.9
Business Combination, Contingent Consideration, Liability, Current | 47.5 | 45.8
Business Combination, Contingent Consideration, Liability, Noncurrent | 54.3 | 66.3
Finite-Lived Intangible Assets, Net | 824.6 |
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Summary of Earn-out Payments [Line Items] |  |
Business Combination, Contingent Consideration, Liability, Current | 30.2 | 39.0
Business Combination, Contingent Consideration, Liability, Noncurrent | $ 44.7 | $ 45.1

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