Quarterly report pursuant to Section 13 or 15(d)

Debt - Schedule of Debt (Details)

v3.5.0.2
Debt - Schedule of Debt (Details) - USD ($)
$ in Thousands
Sep. 30, 2016
Jun. 30, 2016
Nov. 30, 2014
Oct. 31, 2014
Debt Instrument        
Total debt, gross $ 3,036,250 $ 3,076,250    
Unamortized discount (3,209) (3,312)    
Unamortized debt issuance costs (14,474) (15,002)    
Total debt, net of discount $ 3,018,567 $ 3,057,936    
Portion of senior notes | Cash flow hedge contracts | Senior notes | Treasury lock | Derivatives designated as hedging instruments        
Debt Instrument        
Effective percentage including treasury rate lock hedge (as a percent) 4.626% 4.626%    
Senior notes        
Debt Instrument        
Unamortized discount     $ (4,000)  
Senior notes | Fixed-rate 2.375% Senior notes due on November 1, 2017        
Debt Instrument        
Stated interest rate (as a percent) 2.375% 2.375%    
Total debt, gross $ 250,000 $ 250,000    
Effective interest rate (as a percent) 2.396% 2.396%    
Senior notes | Fixed-rate 3.375% Senior notes due on November 1, 2019        
Debt Instrument        
Stated interest rate (as a percent) 3.375% 3.375%    
Total debt, gross $ 250,000 $ 250,000    
Effective interest rate (as a percent) 3.377% 3.377%    
Senior notes | Fixed-rate 4.125% Senior notes due on November 1, 2021        
Debt Instrument        
Stated interest rate (as a percent) 4.125% 4.125%    
Total debt, gross $ 500,000 $ 500,000    
Effective interest rate (as a percent) 4.128% 4.128%    
Senior notes | Fixed-rate 4.650% Senior notes due on November 1, 2024        
Debt Instrument        
Stated interest rate (as a percent) 4.65% [1] 4.65% [1]   4.65%
Total debt, gross [1] $ 1,250,000 $ 1,250,000    
Effective interest rate (as a percent) [1] 4.682% 4.682%    
Senior notes | Fixed-rate 5.650% Senior notes due on November 1, 2034        
Debt Instrument        
Stated interest rate (as a percent) 5.65% 5.65%    
Total debt, gross $ 250,000 $ 250,000    
Effective interest rate (as a percent) 5.67% 5.67%    
Term loans        
Debt Instrument        
Total debt, gross $ 536,250 $ 576,250    
Effective interest rate (as a percent) 1.89% 1.714%    
[1] The effective interest rate disclosed above for this series of Senior Notes excludes the impact of the treasury rate lock hedge discussed below. The effective interest rate including the impact of the treasury rate lock hedge was 4.626%.