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Accumulated Other Comprehensive Income / (Loss) (Tables)
 12 Months Ended
Dec. 31, 2012
Accumulated Other Comprehensive Income / (Loss)  
Changes in the components of accumulated other comprehensive income/(loss), net of taxes

 

 

(In thousands)
  Net Gains /
(Losses) on Cash
Flow Hedges		   Defined Benefit
Pension and
Postretirement
Plans		   Foreign
Currency
Translation
Adjustment		   Total  

Balance at December 31, 2009

   $ 71,872   $ (29,349 ) $ (87 ) $ 42,436  
                   

Net change in unrealized gain on cash flow hedges, net of taxes of $35,957

     (61,378 )   —     —     (61,378 )

Net change in defined benefit pension and postretirement plans, net of taxes of ($9,088)

     —     15,227     —     15,227  

Change in foreign currency translation adjustment, net of taxes of ($20)

     —     —     32     32  
                   

Balance at December 31, 2010

   $ 10,494   $ (14,122 ) $ (55 ) $ (3,683 )
                   

Net change in unrealized gain on cash flow hedges, net of taxes of ($70,463)

     110,864     —     —     110,864  

Net change in defined benefit pension and postretirement plans, net of taxes of $2,225

     —     (2,689 )   —     (2,689 )

Change in foreign currency translation adjustment, net of taxes of $(34)

     —     —     55     55  
                   

Balance at December 31, 2011

   $ 121,358   $ (16,811 )   —   $ 104,547  
                   

Net change in unrealized gain on cash flow hedges, net of taxes of $56,980

     (90,641 )   —     —     (90,641 )

Net change in defined benefit pension and postretirement plans, net of taxes of $(6,226)

     —     9,974     —     9,974  
                   

Balance at December 31, 2012

   $ 30,717   $ (6,837 )   —   $ 23,880