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Comprehensive Income (Loss)
9 Months Ended
Sep. 30, 2011
Comprehensive Income (Loss) [Abstract] 
Comprehensive Income (Loss)
6. Comprehensive Income (Loss)
 
The components of comprehensive income (loss) were as follows (in thousands):

   
Three Months Ended September 30,
    
Nine Months Ended September 30,
  
   
2011
    
2010
    
2011
    
2010
  
Net income (loss)
  
$
5,361
    
$
1,182
    
$
32,255
    
$
(1,386
)
Foreign currency translation adjustments
    
(4,030
)
    
1,412
      
(2,449
 )
    
753
  
Unrealized gain (loss) on securities
    
(160
)
    
(10
)
    
5
      
(7
)
Reversal of unrealized gain on securities sold
    
—
      
—
      
(178
)
    
(589
)
                                 
Total comprehensive income (loss) 
  
$
1,171
    
$
2,584
    
$
29,633
    
$
(1,229
)
 
For the three and nine months ended September 30, 2011 and 2010, the foreign currency translation adjustment primarily represents the effect of translating the intangibles and goodwill related to previous acquisitions in Canada.