v3.26.1
FAIR VALUE MEASUREMENTS AND DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Fair Value, Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items]    
Noncontrolling interest put $ 16.4 $ 16.9
Cross currency swaps 268.8 274.0
Interest rate swaps 56.9 52.7
Cash surrender value of life insurance policies 106.8 99.6
Deferred compensation asset 64.8 53.1
Deferred compensation liability 164.8 150.5
Contingent consideration 95.5 50.0
Fair market value of senior notes 4,425.3 4,963.6
Long-term debt 5,857.6 5,084.6
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements (30.5)  
Contingent consideration adjustment (13.8)  
Derivative, Interest Rate Swap $ 500.0  
Three month SOFR 1.33%  
2029 Maturing Swap Agreements    
Fair Value, Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items]    
Derivative, Notional Amount $ 300.0  
2034 Maturing Swap Agreements    
Fair Value, Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items]    
Derivative, Notional Amount 600.0  
2031 Swap Agreements    
Fair Value, Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items]    
Derivative, Notional Amount 300.0  
Swap Agreements    
Fair Value, Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items]    
Derivative, Notional Amount $ 1,200.0  
2.70% senior notes due 2031    
Fair Value, Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items]    
Subordinated Borrowing, Interest Rate 2.70%  
Level 1 [Member]    
Fair Value, Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items]    
Noncontrolling interest put $ 0.0 0.0
Cross currency swaps 0.0 0.0
Interest rate swaps 0.0 0.0
Cash surrender value of life insurance policies 0.0 0.0
Deferred compensation asset 0.0 0.0
Deferred compensation liability 0.0 0.0
Contingent consideration 0.0 0.0
Fair Value, Inputs, Level 2 [Member]    
Fair Value, Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items]    
Noncontrolling interest put 16.4 16.9
Cross currency swaps 268.8 274.0
Interest rate swaps 56.9 52.7
Cash surrender value of life insurance policies 106.8 99.6
Deferred compensation asset 64.8 53.1
Deferred compensation liability 164.8 150.5
Contingent consideration 0.0 0.0
Level 3 [Member]    
Fair Value, Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items]    
Noncontrolling interest put 0.0 0.0
Cross currency swaps 0.0 0.0
Interest rate swaps 0.0 0.0
Cash surrender value of life insurance policies 0.0 0.0
Deferred compensation asset 0.0 0.0
Deferred compensation liability 0.0 0.0
Contingent consideration 95.5 $ 50.0
Additions from business acquisitions, excluding measurement period adjustments 89.8  
Level 3 [Member] | Accrued Liabilities    
Fair Value, Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items]    
Contingent consideration 38.1  
Level 3 [Member] | Other liabilities    
Fair Value, Liabilities Measured on Recurring Basis, Financial Statement Captions [Line Items]    
Contingent consideration $ 57.4