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Fair Value Measurements (Details) - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2022
Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Equity securities measured at fair value $ 67.1 $ 0.0
Gain (loss) on sale of other investments 2.7  
Goodwill 1,712.4 1,667.2
Other intangible assets, net 670.8 615.9
Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Equity securities measured at fair value 67.1  
Earn-out liabilities 14.0  
Deferred compensation liabilities 4.9 4.8
Fair Value, Measurements, Recurring | Quoted Prices in Active Market (Level 1)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Equity securities measured at fair value 67.1  
Earn-out liabilities 0.0  
Deferred compensation liabilities 0.0 0.0
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Equity securities measured at fair value 0.0  
Earn-out liabilities 0.0  
Deferred compensation liabilities 4.9 4.8
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Equity securities measured at fair value 0.0  
Earn-out liabilities 14.0  
Deferred compensation liabilities $ 0.0 $ 0.0