| Debt | 
        
   
   
   
   
   |   | 
     | 
     | 
     | 
     | 
     | 
     | 
     | 
     | 
     | 
     | 
     | 
     | 
    
   
   |   | 
     | 
   Conversion Price (per share) | 
     | 
     | 
   December 31, 2011 | 
     | 
     | 
   December 31, 2010 | 
     | 
    
   
   
   
   | 
    3.25% Convertible Notes due 2011 (a) 
    | 
     | 
   $ | 
   5.30 | 
     | 
     | 
   $ | 
   — | 
     | 
     | 
   $ | 
   191,979 | 
     | 
    
   
   | 
    Less: discount 
    | 
     | 
     | 
     | 
     | 
     | 
     | 
   — | 
     | 
     | 
     | 
   (515 | 
   )  | 
    
   
   | 
    8.75% Senior Notes due 2015 (b) 
    | 
     | 
     | 
   N/A | 
     | 
     | 
     | 
   800,000 | 
     | 
     | 
     | 
   800,000 | 
     | 
    
   
   | 
    Less: discount 
    | 
     | 
     | 
     | 
     | 
     | 
     | 
   (9,753 | 
   )  | 
     | 
     | 
   (12,213 | 
   )  | 
    
   
   | 
    9.75% Senior Secured Notes due 2015 (c) 
    | 
     | 
     | 
   N/A | 
     | 
     | 
     | 
   257,000 | 
     | 
     | 
     | 
   257,000 | 
     | 
    
   
   | 
    Less: discount 
    | 
     | 
     | 
     | 
     | 
     | 
     | 
   (8,356 | 
   )  | 
     | 
     | 
   (10,116 | 
   )  | 
    
   
   | 
    11.25% Senior Secured Notes due 2013 (d) 
    | 
     | 
     | 
   N/A | 
     | 
     | 
     | 
   — | 
     | 
     | 
     | 
   36,685 | 
     | 
    
   
   | 
    Less: discount 
    | 
     | 
     | 
     | 
     | 
     | 
     | 
   — | 
     | 
     | 
     | 
   (1,705 | 
   )  | 
    
   
   | 
    13% Senior Notes due 2013 (e) 
    | 
     | 
     | 
   N/A | 
     | 
     | 
     | 
   778,500 | 
     | 
     | 
     | 
   778,500 | 
     | 
    
   
   | 
    Less: discount 
    | 
     | 
     | 
     | 
     | 
     | 
     | 
   (39,504 | 
   )  | 
     | 
     | 
   (59,592 | 
   )  | 
    
   
   | 
    7% Exchangeable Senior Subordinated Notes due 2014 (f) 
    | 
     | 
   $ | 
   1.875 | 
     | 
     | 
     | 
   550,000 | 
     | 
     | 
     | 
   550,000 | 
     | 
    
   
   | 
    Less: discount 
    | 
     | 
     | 
     | 
     | 
     | 
     | 
   (5,956 | 
   )  | 
     | 
     | 
   (7,620 | 
   )  | 
    
   
   | 
    7.625% Senior Notes due 2018 (g) 
    | 
     | 
     | 
   N/A | 
     | 
     | 
     | 
   700,000 | 
     | 
     | 
     | 
   700,000 | 
     | 
    
   
   | 
    Less: discount 
    | 
     | 
     | 
     | 
     | 
     | 
     | 
   (10,898 | 
   )  | 
     | 
     | 
   (12,054 | 
   )  | 
    
   
   | 
    Other debt: 
    | 
     | 
     | 
     | 
     | 
     | 
     | 
     | 
     | 
     | 
     | 
     | 
     | 
    
   
   | 
    Capital leases 
    | 
     | 
     | 
   N/A | 
     | 
     | 
     | 
   2,941 | 
     | 
     | 
     | 
   7,229 | 
     | 
    
   
   |   | 
     | 
     | 
     | 
     | 
     | 
   
      
    | 
   
      
    | 
     | 
     | 
   
      
    | 
   
      
    | 
     | 
    
   
   | 
    Total debt 
    | 
     | 
     | 
     | 
     | 
     | 
     | 
   3,013,974 | 
     | 
     | 
     | 
   3,217,578 | 
     | 
    
   
   | 
    Less: total current maturities non-related party 
    | 
     | 
     | 
     | 
     | 
     | 
     | 
   1,623 | 
     | 
     | 
     | 
   195,815 | 
     | 
    
   
   |   | 
     | 
     | 
     | 
     | 
     | 
   
      
    | 
   
      
    | 
     | 
     | 
   
      
    | 
   
      
    | 
     | 
    
   
   | 
    Total long-term 
    | 
     | 
     | 
     | 
     | 
     | 
     | 
   3,012,351 | 
     | 
     | 
     | 
   3,021,763 | 
     | 
    
   
   | 
    Less: related party 
    | 
     | 
     | 
     | 
     | 
     | 
     | 
   328,788 | 
     | 
     | 
     | 
   325,907 | 
     | 
    
   
   |   | 
     | 
     | 
     | 
     | 
     | 
   
      
    | 
   
      
    | 
     | 
     | 
   
      
    | 
   
      
    | 
     | 
    
   
   | 
    Total long-term, excluding related party 
    | 
     | 
     | 
     | 
     | 
     | 
   $ | 
   2,683,563 | 
     | 
     | 
   $ | 
   2,695,856 | 
     | 
    
   
   |   | 
     | 
     | 
     | 
     | 
     | 
   
      
    | 
   
      
    | 
     | 
     | 
   
      
    | 
   
      
    | 
     | 
    
   
    
 |