v2.4.0.6
Long-term Debt (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Debt Instrument    
Total long-term debt $ 4,753,083 $ 3,786,336
Unamortized discount on debt (8,602) (7,053)
Total debt 4,744,481 3,779,283
Current maturities of long-term debt (33,460) (21,996)
Long-term debt, net 4,711,021 3,757,287
Senior Secured Credit Facility
   
Debt Instrument    
Total long-term debt 2,471,916 1,532,000
7 7/8% Senior Notes
   
Debt Instrument    
Total long-term debt 1,000,000 1,000,000
6 5/8% Senior Notes
   
Debt Instrument    
Total long-term debt 1,000,000 1,000,000
Capital lease obligations
   
Debt Instrument    
Total long-term debt $ 281,167 $ 254,336