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Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 2011
Fair Value Measurements (Tables) [Abstract] 
Assets and liabilities measured at fair value on a recurring basis
      0000000       0000000       0000000       0000000  
(in thousands)   September 30, 2011  

Assets (liabilities)

  Level 1     Level 2     Level 3     Total  

Cash equivalents

  $ 21,481     $ —       $ —       $ 21,481  

Commodity derivatives, net

    84,365         (2,988     3,283       84,660  

Convertible preferred securities (b)

    —         —         15,790       15,790  

Other assets and liabilities (a)

    17,668       —         (2,238     15,430  
   

 

 

   

 

 

   

 

 

   

 

 

 

Total

  $ 123,514     $ (2,988   $ 16,835     $ 137,361  
   

 

 

   

 

 

   

 

 

   

 

 

 

 

      0000000       0000000       0000000       0000000  
(in thousands)   December 31, 2010  

Assets (liabilities)

  Level 1     Level 2     Level 3     Total  

Cash equivalents

  $ 213     $ —       $ —       $ 213  

Commodity derivatives, net

    61,559       129,723       12,406       203,688  

Convertible preferred securities (b)

    —         —         15,790       15,790  

Other assets and liabilities (a)

      17,983       —         (2,156     15,827  
   

 

 

   

 

 

   

 

 

   

 

 

 

Total

  $ 79,755     $ 129,723     $ 26,040     $ 235,518  
   

 

 

   

 

 

   

 

 

   

 

 

 

 

      0000000       0000000       0000000       0000000  
(in thousands)   September 30, 2010  

Assets (liabilities)

  Level 1     Level 2     Level 3     Total  

Cash equivalents

  $ 252     $ —       $ —       $ 252  

Commodity derivatives, net

      78,345       57,480       1,222       137,047  

Convertible preferred securities (b)

    —         —         13,100       13,100  

Other assets and liabilities (a)

    8,315       —         (2,615     5,700  
   

 

 

   

 

 

   

 

 

   

 

 

 

Total

  $ 86,912     $ 57,480     $ 11,707     $ 156,099  
   

 

 

   

 

 

   

 

 

   

 

 

 

 

(a) Included in other assets and liabilities is restricted cash, interest rate and foreign currency derivatives, swaptions and deferred compensation assets.
(b) Recorded in “Other noncurrent assets” on the Company’s balance sheet
Beginning and ending balances for the Company's fair value measurements using Level 3 inputs
                                                 
    2011     2010  
(in thousands)   Interest
rate

derivatives
and
swaptions
    Convertible
preferred
securities
    Commodity
derivatives,
net
    Interest
rate

derivatives
    Convertible
preferred
securities
    Commodity
derivatives,
net
 

Asset (liability) at December 31,

  $ (2,156   $ 15,790     $ 12,406     $ (1,763   $ —       $ 1,948  

Gains (losses) included in earnings

    (2     —         77       (72     —         (1,926

Unrealized gains (losses) included in other comprehensive income

    149       —         —         (126     —         —    

New contracts entered into

    507       —         —         36       —         —    

Transfers from level 2

    —         —         2,500       —         —         —    
   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

 

Asset (liability) at March 31,

  $ (1,502   $ 15,790     $ 14,983     $ (1,925   $ —       $ 22  

Investment in debt securities

    —         —         —         —         13,100       —    

Gains (losses) included in earnings

    (310     —         (6,398     (99     —         (15

Unrealized gains (losses) included in other comprehensive income

    (120     —         —         (253     —         —    

New contracts entered into

    49       —         —         —         —         —    

Transfers from level 2

    —         —         209       —         —         —    
   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

 

Asset (liability) at June 30,

  $ (1,883   $ 15,790     $ 8,794     $ (2,277   $ 13,100     $ 7  

Gains (losses) included in earnings

    (234     —         (5,581     (54     —         589  

Unrealized gains (losses) included in other comprehensive income

    (165     —         —         (284     —         —    

New contracts entered into

    44       —         —         —         —         —    

Transfers from level 2

    —         —         70       —         —         626  
   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

 

Asset (liability) at September 30,

  $ (2,238     15,790       3,283     $ (2,615   $ 13,100     $ 1,222  
   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

 
Fair value of long-term debt estimated using quoted market prices or discounted future cash flows
                 
(in thousands)   September 30, 2011     December 31, 2010  

Fair value of long-term debt

  $ 288,331     $ 305,708  

Fair value in excess of carrying value

    7,431       4,359