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Long-Term Debt (Tables)
6 Months Ended
Jun. 30, 2011
Long-Term Debt (Tables) [Abstract]  
Long-Term Debt
         
    (In thousands)  
Bank credit facility
  $ 95,000  
83/8% Senior Notes due 2017
    296,640  
73/4% Senior Notes due 2019
    300,000  
 
     
 
  $ 691,640