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Fair Value Measurements - Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Feb. 28, 2018
Derivatives Fair Value        
Document Period End Date Dec. 31, 2019      
Contingent acquisition consideration liabilities $ 14.0 $ 45.0    
Cash Flow Hedging | Designated as Hedging Instrument | Interest rate swap        
Derivatives Fair Value        
Derivative, average fixed interest rate 2.4418%      
Notional amounts of the forward contracts $ 800.0      
Senior Secured Notes, maturing 2025        
Derivatives Fair Value        
Debt Instrument, interest rate, stated percentage       2.946%
Senior Secured Notes, maturing 2025 | Senior Notes        
Derivatives Fair Value        
Debt Instrument, interest rate, stated percentage 5.00%     2.946%
Senior Secured Notes, maturing 2025 | Senior Notes | Cross-currency interest rate swaps        
Derivatives Fair Value        
Debt converted in interest rate swap       $ 460.0
Senior Secured Euro Notes, maturing 2026 | Net Investment Hedging | Designated as Hedging Instrument        
Derivatives Fair Value        
Net investment non-derivative hedge $ 169.0      
Senior Secured Euro Notes, maturing 2026 | Senior Notes        
Derivatives Fair Value        
Debt Instrument, interest rate, stated percentage 3.375%      
Level 3 | Earnings Based Metrics        
Derivatives Fair Value        
Increases to calculated fair value of contingent acquisition consideration $ 2.0 29.0 $ 0.0  
Accrued Liabilities        
Derivatives Fair Value        
Contingent acquisition consideration liabilities $ 7.0 $ 22.0