Quarterly report pursuant to Section 13 or 15(d)

Debt - Schedule of Debt (Details)

v3.3.1.900
Debt - Schedule of Debt (Details) - USD ($)
$ in Thousands
 6 Months Ended 12 Months Ended
Dec. 31, 2015
Jun. 30, 2015
Nov. 30, 2014
Oct. 31, 2014
Debt Instrument        
Total debt, gross $ 3,151,250 $ 3,211,250    
Unamortized discount (3,518) (3,723)    
Unamortized debt issuance costs (16,056) (17,111)    
Total debt, net of discount 3,131,676 3,190,416    
Current portion of long-term debt 0 16,981    
Long-term debt 3,131,676 3,173,435    
Senior notes        
Debt Instrument        
Unamortized discount     $ (4,000)  
Term loans        
Debt Instrument        
Total debt, gross 651,250 711,250    
Fixed-rate 2.375% Senior notes due on November 1, 2017 | Senior notes        
Debt Instrument        
Total debt, gross $ 250,000 $ 250,000    
Effective interest rate 2.396% 2.396%    
Stated interest rate 2.375% 2.375%    
Fixed-rate 3.375% Senior notes due on November 1, 2019 | Senior notes        
Debt Instrument        
Total debt, gross $ 250,000 $ 250,000    
Effective interest rate 3.377% 3.377%    
Stated interest rate 3.375% 3.375%    
Fixed-rate 4.125% Senior notes due on November 1, 2021 | Senior notes        
Debt Instrument        
Total debt, gross $ 500,000 $ 500,000    
Effective interest rate 4.128% 4.128%    
Stated interest rate 4.125% 4.125%    
Fixed-rate 4.650% Senior notes due on November 1, 2024 | Senior notes        
Debt Instrument        
Total debt, gross [1] $ 1,250,000 $ 1,250,000    
Effective interest rate [1] 4.682% 4.682%    
Stated interest rate 4.65% [1] 4.65% [1]   4.65%
Fixed-rate 5.650% Senior notes due on November 1, 2034 | Senior notes        
Debt Instrument        
Total debt, gross $ 250,000 $ 250,000    
Effective interest rate 5.67% 5.67%    
Stated interest rate 5.65% 5.65%    
Portion of senior notes | Cash flow hedging | Senior notes | Treasury lock | Forward contracts | Derivatives designated as hedging instruments        
Debt Instrument        
Derivative interest rate 4.626% 4.626%    
[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%.