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Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2012
Fair Value Measurements  
Schedule of assets and liabilities measured at fair value on a recurring basis

 

 

 
  December 31, 2012  
 
  Level 1   Level 2   Level 3   Total  
 
  (in thousands)
 

Location and Description

                         

Cash equivalents

  $ 133,897   $   $   $ 133,897  

Other current assets (marketable securities)

    38             38  

Other current assets (other derivative agreements)

                 

Other long-term assets (other derivative agreements)

        938         938  
                   

Total Assets

  $ 133,935   $ 938   $   $ 134,873  
                   

Other current liabilities (other derivative agreements)

        (67,747 )       (67,747 )

Other current liabilities (interest rate swap)

        (861 )       (861 )

Other long-term liabilities (other derivative agreements)

                 

Other long-term liabilities (interest rate swap)

        (1,890 )       (1,890 )
                   

Total Liabilities

  $   $ (70,498 ) $   $ (70,498 )
                   


 

 
  December 31, 2011  
 
  Level 1   Level 2   Level 3   Total  
 
  (in thousands)
 

Location and Description

                         

Cash equivalents

  $ 187,327   $   $   $ 187,327  

Other current assets (marketable securities)

    25             25  

Other current assets (other derivative agreements)

        63,051         63,051  

Other long-term assets (other derivative agreements)

        18,831         18,831  
                   

Total Assets

  $ 187,352   $ 81,882   $   $ 269,234  
                   

Other current liabilities (interest rate swap)

        (905 )       (905 )

Other long-term liabilities (interest rate swap)

        (1,483 )       (1,483 )
                   

Total Liabilities

  $   $ (2,388 ) $   $ (2,388 )