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Comprehensive income
6 Months Ended
Jun. 30, 2011
Comprehensive income [Abstract]  
Comprehensive income
 8.
Comprehensive income
 
Comprehensive income is the sum of net income as reported and other comprehensive income (loss). The Company's other comprehensive income (loss) resulted from gains (losses) on derivative instruments qualifying as hedges, foreign currency translation adjustments and gains on available-for-sale investments. For more information on derivative instruments, see Note 12.

 
Comprehensive income, and the components of other comprehensive income (loss) and related tax effects, were as follows:

   
Three Months Ended
June 30,
 
   
2011
  
2010
 
   
(In thousands)
 
Net income
 $45,067  $48,938 
Other comprehensive income (loss):
        
Net unrealized gain (loss) on derivative instruments qualifying as hedges:
        
Net unrealized gain on derivative instruments arising during the period, net of tax of $10,576 and $2,588 in 2011 and 2010, respectively
  17,057   4,637 
Less: Reclassification adjustment for gain (loss) on derivative instruments included in net income, net of tax of $(2,191) and $3,191 in 2011 and 2010, respectively
  (3,650)  5,259 
Net unrealized gain (loss) on derivative instruments qualifying as hedges
  20,707   (622)
Foreign currency translation adjustment, net of tax of $32 and $(307) in 2011 and 2010, respectively
  50   (476)
Net unrealized gains on available-for-sale investments, net of tax of $47 in 2011
  87   - 
    20,844   (1,098)
Comprehensive income
 $65,911  $47,840 
          
   
Six Months Ended
June 30,
 
    2011   2010 
   
(In thousands)
 
Net income
 $88,044  $90,710 
Other comprehensive income (loss):
        
Net unrealized gain (loss) on derivative instruments qualifying as hedges:
        
Net unrealized gain (loss) on derivative instruments arising during the period, net of tax of $(388) and $11,962 in 2011 and 2010, respectively
  (1,217)  19,932 
Less: Reclassification adjustment for gain (loss) on derivative instruments included in net income, net of tax of $91 and $(1,166) in 2011 and 2010, respectively
  155   (1,850)
Net unrealized gain (loss) on derivative instruments qualifying as hedges
  (1,372)  21,782 
Foreign currency translation adjustment, net of tax of $170 and $(929) in 2011 and 2010, respectively
  262   (1,412)
Net unrealized gains on available-for-sale investments, net of tax of $55 in 2011
  103   - 
    (1,007)  20,370 
Comprehensive income
 $87,037  $111,080