XML 78 R62.htm IDEA: XBRL DOCUMENT v3.10.0.1
Fair Value Measurements - Debt (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Oct. 11, 2018
Feb. 28, 2018
Jan. 31, 2018
Jan. 31, 2017
Fair Value of Financial Instruments            
Less: current portion $ 561 $ 181        
Less: deferred financing costs 38,325 27,997        
Long-term Debt, Excluding Current Maturities, Total $ 3,585,884 $ 4,027,766        
6.15% senior notes due February 2018            
Fair Value of Financial Instruments            
Interest rate on senior notes due (as a percent) 6.15%     6.15%    
Effective Interest Rate (as a percent)   6.27%        
9.25% senior notes due January 2019            
Fair Value of Financial Instruments            
Interest rate on senior notes due (as a percent) 9.25%          
Effective Interest Rate (as a percent)   9.77%        
5.00% senior notes due September 2020            
Fair Value of Financial Instruments            
Interest rate on senior notes due (as a percent) 5.00%          
Effective Interest Rate (as a percent) 5.25% 5.43%        
4.625% senior notes due September 2021            
Fair Value of Financial Instruments            
Interest rate on senior notes due (as a percent) 4.625%          
Effective Interest Rate (as a percent) 4.75% 4.76%        
Senior Notes 5.50 Percentage Due Two Zero Two Three [Member]            
Fair Value of Financial Instruments            
Interest rate on senior notes due (as a percent) 5.50%          
Effective Interest Rate (as a percent) 5.84% 5.85%        
5.10% senior notes due September 2023            
Fair Value of Financial Instruments            
Interest rate on senior notes due (as a percent) 5.10%          
Effective Interest Rate (as a percent) 5.26% 5.28%        
0.75% senior exchangeable notes due January 2024            
Fair Value of Financial Instruments            
Interest rate on senior notes due (as a percent) 0.75%         0.75%
Effective Interest Rate (as a percent) 6.04% 5.90%        
Less: deferred financing costs           $ 9,600
5.75% senior notes due February 2025            
Fair Value of Financial Instruments            
Interest rate on senior notes due (as a percent) 5.75%       5.75%  
Effective Interest Rate (as a percent) 5.87%          
2012 Revolving Credit Facility            
Fair Value of Financial Instruments            
Effective Interest Rate (as a percent) 3.58% 2.73%        
2018 Revolving Credit Facility            
Fair Value of Financial Instruments            
Interest rate on senior notes due (as a percent)     5.50%      
Commercial paper            
Fair Value of Financial Instruments            
Interest rate on senior notes due (as a percent)       5.75%    
Effective Interest Rate (as a percent)   1.87%        
Fair Value            
Fair Value of Financial Instruments            
Debt $ 3,049,812 $ 4,024,277        
Fair Value | 6.15% senior notes due February 2018            
Fair Value of Financial Instruments            
Debt   462,674        
Fair Value | 9.25% senior notes due January 2019            
Fair Value of Financial Instruments            
Debt   321,028        
Fair Value | 5.00% senior notes due September 2020            
Fair Value of Financial Instruments            
Debt 590,336 670,757        
Fair Value | 4.625% senior notes due September 2021            
Fair Value of Financial Instruments            
Debt 603,457 665,003        
Fair Value | Senior Notes 5.50 Percentage Due Two Zero Two Three [Member]            
Fair Value of Financial Instruments            
Debt 465,999 584,850        
Fair Value | 5.10% senior notes due September 2023            
Fair Value of Financial Instruments            
Debt 262,494 325,844        
Fair Value | 0.75% senior exchangeable notes due January 2024            
Fair Value of Financial Instruments            
Debt 358,012 443,940        
Fair Value | 5.75% senior notes due February 2025            
Fair Value of Financial Instruments            
Debt 598,953          
Fair Value | 2012 Revolving Credit Facility            
Fair Value of Financial Instruments            
Debt 170,000 510,000        
Fair Value | Commercial paper            
Fair Value of Financial Instruments            
Debt   40,000        
Fair Value | Other            
Fair Value of Financial Instruments            
Debt 561 181        
Carrying Value            
Fair Value of Financial Instruments            
Debt 3,624,770 4,055,944        
Less: current portion 561 181        
Less: deferred financing costs 38,325 27,997        
Debt, net of financing costs 3,585,884 4,027,766        
Carrying Value | 6.15% senior notes due February 2018            
Fair Value of Financial Instruments            
Debt   460,762        
Carrying Value | 9.25% senior notes due January 2019            
Fair Value of Financial Instruments            
Debt   303,489        
Carrying Value | 5.00% senior notes due September 2020            
Fair Value of Financial Instruments            
Debt 614,748 669,846        
Carrying Value | 4.625% senior notes due September 2021            
Fair Value of Financial Instruments            
Debt 668,347 695,108        
Carrying Value | Senior Notes 5.50 Percentage Due Two Zero Two Three [Member]            
Fair Value of Financial Instruments            
Debt 586,000 600,000        
Carrying Value | 5.10% senior notes due September 2023            
Fair Value of Financial Instruments            
Debt 342,923 346,576        
Carrying Value | 0.75% senior exchangeable notes due January 2024            
Fair Value of Financial Instruments            
Debt 450,689 429,982        
Carrying Value | 5.75% senior notes due February 2025            
Fair Value of Financial Instruments            
Debt 791,502          
Carrying Value | 2012 Revolving Credit Facility            
Fair Value of Financial Instruments            
Debt 170,000 510,000        
Carrying Value | Commercial paper            
Fair Value of Financial Instruments            
Debt   40,000        
Carrying Value | Other            
Fair Value of Financial Instruments            
Debt $ 561 $ 181