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Fair Value Measurements (Details) - USD ($)
$ in Millions
Jun. 30, 2023
Dec. 31, 2022
Jun. 30, 2022
Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Fair value of long-term debt $ 363.3 $ 360.9    
Long-term debt, net of debt issuance costs 380.7 372.8    
Derivative, Notional Amount 1,760.0 1,810.0    
Foreign currency forward contracts, net notional value 1,080.0 1,020.0    
Investments, Fair Value Disclosure 802.5 794.9 $ 786.1 $ 639.6
Deferred compensation plan, contra-equity, shares held in trust 11.6 9.8    
Foreign Exchange Contract [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Derivative Asset, Fair Value, Gross Asset 5.4 7.7    
Derivative Asset, Fair Value, Gross Liability (1.2) (4.0)    
Derivative Liability, Fair Value, Gross Asset (1.7) (1.6)    
Derivative Liability, Fair Value, Gross Liability 10.9 6.4    
Fair Value, Recurring [Member] | Fair Value Measured at Net Asset Value Per Share [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investments, Fair Value Disclosure 314.1 284.6    
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investments, Fair Value Disclosure 0.0 0.0    
Foreign currency forward contract, current asset amount 4.2 3.7    
Foreign currency forward contract, current liability amount 9.2 4.8    
Deferred compensation plan assets 559.5 517.9    
Deferred compensation plan liabilities $ 517.1 $ 485.4