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Comprehensive Income (Loss) (Tables)
9 Months Ended
Sep. 30, 2011
Comprehensive Income (Loss). 
Schedule of components of comprehensive income (loss)
 
  Three Months Ended
September 30,
  Nine Months Ended
September 30,
 
 
  2011   2010   2011   2010  
 
  (in thousands)
 

Net income (loss)

  $ 228,452   $ (208,957 ) $ (146,962 ) $ (574,234 )

Changes in other comprehensive income (loss):

                         
 

Unrealized holding gains (losses) on marketable securities

    (43 )   (52 )   (42 )   116  
 

Foreign currency translation adjustment

    (195 )   (67 )   164     (153 )
                   

Total change in other comprehensive income (loss)

    (238 )   (119 )   122     (37 )
                   

Comprehensive income (loss)

  $ 228,214   $ (209,076 ) $ (146,840 ) $ (574,271 )

Comprehensive income (loss) attributable to noncontrolling interest (Alios)

    7,342         (17,907 )    
                   

Comprehensive income (loss) attributable to Vertex

  $ 220,872   $ (209,076 ) $ (128,933 ) $ (574,271 )