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Long-Term Debt - Additional Information (Details)
$ in Thousands, € in Millions
3 Months Ended
Mar. 31, 2017
EUR (€)
Mar. 31, 2017
USD ($)
Mar. 31, 2016
USD ($)
Dec. 31, 2016
Debt Instrument [Line Items]        
Repayments of long-term debt   $ 751,209 $ 331,595  
Payments of debt premium   45,200    
Loss on early extinguishment of debt   52,801 0  
Net investment hedge, loss   $ (13,685) $ (9,524)  
3.00% Senior Notes        
Debt Instrument [Line Items]        
Debt instrument, interest rate 3.00% 3.00%   3.00%
1.875% Senior Notes        
Debt Instrument [Line Items]        
Debt instrument, interest rate 1.875% 1.875%   1.875%
4.50% Senior Notes        
Debt Instrument [Line Items]        
Debt instrument, interest rate 4.50% 4.50%   4.50%
Commercial Paper        
Debt Instrument [Line Items]        
Weighted average interest rate 1.54% 1.54%    
Debt instrument maturity period 29 days 29 days    
Senior Notes | 3.00% Senior Notes        
Debt Instrument [Line Items]        
Repayments of long-term debt   $ 250,000    
Senior Notes | 1.875% Senior Notes        
Debt Instrument [Line Items]        
Repayments of long-term debt | € € 307.0      
Senior Notes | 4.50% Senior Notes        
Debt Instrument [Line Items]        
Repayments of long-term debt   $ 174,700