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FINANCIAL INSTRUMENTS (Tables)
12 Months Ended
Dec. 31, 2011
Summary of Carrying Amounts and Estimated Fair Values of Other Financial Instruments

The following table summarizes the carrying amounts and estimated fair values of our other financial instruments at December 31:

 

     2011      2010  
     Carrying
Amount
     Fair
Value
     Carrying
Amount
     Fair
Value
 
     (Dollars in thousands)  

Assets:

           

Cash and cash equivalents

   $ 397,101       $ 397,101       $ 175,226       $ 175,226   

Liabilities:

           

Bank debt

     1,131,022         1,131,022         660,262         660,262   

7 1/4% Notes

     245,237         267,500         244,412         267,500   

Interest rate swap agreements

     11,239         11,239         11,655         11,655   

Natural gas swap agreements

     797         797         28         28