Financing (Tables)
3 Months Ended
Mar. 31, 2015
Debt Disclosure [Abstract]  
Summary of Debt
     March 31, 2015      December 31, 2014  

5.00% senior notes due June 2021

   $ 650,000      $ 650,000   

5.50% senior notes due June 2024

     650,000         650,000   

Senior secured term loan due January 2017

     344,750        345,625   

Senior secured term loan due January 2018

     517,125         518,438   

Senior PIK toggle notes due June 2020

     550,000        550,000   

Senior secured revolving credit facility expires January 2017

     —           —     

Other

     361        408   
  

 

 

    

 

 

 
$ 2,712,236    $ 2,714,471   

Less: Original issue discount, net of amortization

  (6,091 )   (6,746

Less: Current portion

  (8,972   (9,001
  

 

 

    

 

 

 
$ 2,697,173   $ 2,698,724