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Derivative Financial Instruments and Fair Value Measurements - Additional Information (Details)
€ in Millions, £ in Millions, $ in Millions
1 Months Ended 3 Months Ended
Mar. 17, 2022
USD ($)
Mar. 31, 2022
USD ($)
Mar. 31, 2022
GBP (£)
Mar. 31, 2021
USD ($)
Mar. 31, 2022
EUR (€)
Dec. 31, 2021
USD ($)
Sep. 30, 2019
USD ($)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]              
Net cash inflow   $ (18.6)   $ (19.1)      
Forecasted IT contract payment | £     £ 6.0        
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair value measured on a recurring basis              
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]              
Deferred compensation plan assets   $ 132.2       $ 138.0  
Cash flow hedge              
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]              
Net cash inflow $ 19.2            
Fair Value Hedge              
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]              
Fixed annual interest rate   1.05973%     1.05973%    
Euro-denominated notes | Estimate of fair value measurement | Significant Other Observable Inputs (Level 2)              
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]              
Carrying value of long-term debt   $ 1,009.4       1,064.0  
Euro-denominated notes | Carrying value | Significant Other Observable Inputs (Level 2)              
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]              
Carrying value of long-term debt   $ 992.7       $ 1,019.6  
Cross-currency swap | Cash flow hedge              
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]              
Long-term debt         € 202.3   $ 55.4
Fixed annual interest rate   1.256%     1.256%   1.143%
Designated as hedging instrument | Notes due September 2022 | Euro-denominated notes              
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]              
Long-term debt   $ 442.5     € 400.0    
Designated as hedging instrument | Notes Due June 2026 | Euro-denominated notes              
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]              
Long-term debt   $ 550.2     € 500.0