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Fair Value of Financial Instruments - Acquisition-Related Contingent Consideration (Details)
$ in Millions
12 Months Ended
Dec. 31, 2024
USD ($)
employee
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Fair Value, Financial Instruments Measured on a Recurring Basis [Line Items]      
Measurement period adjustments, net $ 0.7 $ 39.6  
Fair Value Recurring Basis Unobservable Input Reconciliation Liability Gain Loss Statement Of Income Extensible List Not Disclosed Flag fair value adjustments Fair value adjustments fair value adjustments
All Acquisitions      
Fair Value, Financial Instruments Measured on a Recurring Basis [Line Items]      
Acquisition-related contingent consideration liabilities, range of potential undiscounted earn-out liabilities, low $ 21.0    
Acquisition-related contingent consideration liabilities, range of potential undiscounted earn-out liabilities, high $ 138.0    
Discount Rate | Minimum      
Fair Value, Financial Instruments Measured on a Recurring Basis [Line Items]      
Acquisition-related contingent consideration liabilities, measurement input, discount rate | employee 0.140    
Discount Rate | Maximum      
Fair Value, Financial Instruments Measured on a Recurring Basis [Line Items]      
Acquisition-related contingent consideration liabilities, measurement input, discount rate | employee 0.145    
Discount Rate | Remaining weighted average amortization, in years      
Fair Value, Financial Instruments Measured on a Recurring Basis [Line Items]      
Acquisition-related contingent consideration liabilities, measurement input, discount rate 0.142    
Earn-Out Liabilities      
Fair Value, Financial Instruments Measured on a Recurring Basis [Line Items]      
Acquisition-related contingent consideration liabilities, estimated fair value $ 112.7 $ 77.4  
Acquisition-related contingent consideration liabilities, additions from new business combinations 56.1 1.4 $ 2.8
Measurement period adjustments, net 0.0 0.0 3.3
Gain (loss) recorded in earnings 5.2 (12.6) (1.2)
Acquisition-related contingent consideration liabilities, payments 26.1 38.8 $ 37.8
Earn-Out Liabilities | Mandatorily Redeemable Stock      
Fair Value, Financial Instruments Measured on a Recurring Basis [Line Items]      
Gain (loss) recorded in earnings   (12.3)  
Acquisition-related contingent consideration liabilities, payments   1.7  
Earn-Out Liabilities | Other Current Liabilities      
Fair Value, Financial Instruments Measured on a Recurring Basis [Line Items]      
Acquisition-related contingent consideration liabilities, estimated fair value $ 70.0 $ 29.8