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Comprehensive Income
6 Months Ended
Jun. 30, 2011
Stockholders' Equity and Comprehensive Income [Abstract]  
COMPREHENSIVE INCOME
13. COMPREHENSIVE INCOME
Comprehensive income includes changes in the fair value of interest rate swaps and fuel hedges that qualify for hedge accounting. The components of other comprehensive income (loss) and related tax effects for the three and six month periods ended June 30, 2011 and 2010, are as follows:
                         
    Three months ended June 30, 2011  
    Gross     Tax effect     Net of tax  
Interest rate swap amounts reclassified into interest expense
  $ 1,589     $ (604 )   $ 985  
Fuel hedge amounts reclassified into cost of operations
    (1,278 )     486       (792 )
Changes in fair value of interest rate swaps
    (2,670 )     1,015       (1,655 )
Changes in fair value of fuel hedges
    (724 )     275       (449 )
 
                 
 
  $ (3,083 )   $ 1,172     $ (1,911 )
 
                 
                         
    Three months ended June 30, 2010  
    Gross     Tax effect     Net of tax  
Interest rate swap amounts reclassified into interest expense
  $ 2,309     $ (878 )   $ 1,431  
Fuel hedge amounts reclassified into cost of operations
    414       (157 )     257  
Changes in fair value of interest rate swaps
    (4,968 )     1,888       (3,080 )
Changes in fair value of fuel hedges
    (2,046 )     777       (1,269 )
 
                 
 
  $ (4,291 )   $ 1,630     $ (2,661 )
 
                 
Total comprehensive income for the three months ended June 30, 2011 and 2010 was $42,694 and $27,976, respectively.
                         
    Six months ended June 30, 2011  
    Gross     Tax effect     Net of tax  
Interest rate swap amounts reclassified into interest expense
  $ 3,455     $ (1,313 )   $ 2,142  
Fuel hedge amounts reclassified into cost of operations
    (2,088 )     794       (1,294 )
Changes in fair value of interest rate swaps
    (2,603 )     989       (1,614 )
Changes in fair value of fuel hedges
    3,924       (1,491 )     2,433  
 
                 
 
  $ 2,688     $ (1,021 )   $ 1,667  
 
                 
                         
    Six months ended June 30, 2010  
    Gross     Tax effect     Net of tax  
Interest rate swap amounts reclassified into interest expense
  $ 4,628     $ (1,759 )   $ 2,869  
Fuel hedge amounts reclassified into cost of operations
    2,324       (883 )     1,441  
Changes in fair value of interest rate swaps
    (8,791 )     3,356       (5,435 )
Changes in fair value of fuel hedges
    (3,095 )     1,176       (1,919 )
 
                 
 
  $ (4,934 )   $ 1,890     $ (3,044 )
 
                 
A rollforward of the amounts included in AOCL, net of taxes, is as follows:
                         
                    Accumulated  
                    Other  
            Interest     Comprehensive  
    Fuel Hedges     Rate Swaps     Loss  
Balance at December 31, 2010
  $ 2,931     $ (6,026 )   $ (3,095 )
Amounts reclassified into earnings
    (1,294 )     2,142       848  
Change in fair value
    2,433       (1,614 )     819  
 
                 
Balance at June 30, 2011
  $ 4,070     $ (5,498 )   $ (1,428 )
 
                 
See Note 10 for further discussion on the Company’s derivative instruments.