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Business Combinations (Details) - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Dec. 31, 2021
Business Acquisition [Line Items]        
Goodwill $ 4,541.8 $ 4,454.8 $ 4,528.0 $ 4,611.6
Payment for Contingent Consideration Liability, Total 22.8      
Payments to Acquire Businesses, Net of Cash Acquired 13.6 $ 5.7    
Goodwill, Acquired During Period 18.7      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles 2.1      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net 2.8      
Other Payments to Acquire Businesses $ 10.0