v2.4.0.6
Debt (Tables)
12 Months Ended
Dec. 31, 2011
Debt [Abstract]  
Long-Term Debt Outstanding
     December 31,
2011
     December 31,
2010
 
     (In thousands)  

7.456% senior notes due 2018

   $ 500,000       $ 500,000   

5.95% senior notes due 2020, net of discount

     749,281         749,221   
  

 

 

    

 

 

 

Long-term debt

   $ 1,249,281       $ 1,249,221