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Fair Value Measurements (Details) - USD ($)
$ in Millions
Mar. 31, 2023
Dec. 31, 2022
Mar. 31, 2022
Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Derivative, Notional Amount $ 1,790.0 $ 1,810.0    
Fair value of long-term debt 360.1 360.9    
Long-term debt, net of debt issuance costs 379.2 372.8    
Investments, Fair Value Disclosure 825.5 794.9 $ 677.5 $ 639.6
Foreign currency forward contracts, net notional value 900.0 1,020.0    
Deferred compensation plan, contra-equity, shares held in trust 9.8 9.8    
Long-Term Senior Notes [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Unamortized Debt Issuance Expense 1.2 1.2    
Foreign Exchange Contract [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Derivative Asset, Fair Value, Gross Asset 6.7 7.7    
Derivative Asset, Fair Value, Gross Liability (1.8) (4.0)    
Derivative Liability, Fair Value, Gross Asset (1.5) (1.6)    
Derivative Liability, Fair Value, Gross Liability 5.4 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 303.5 284.6    
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 4.9 3.7    
Foreign currency forward contract, current liability amount 3.9 4.8    
Deferred compensation plan assets 551.3 517.9    
Deferred compensation plan liabilities $ 507.9 $ 485.4