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Comprehensive Loss
3 Months Ended
Apr. 30, 2011
Comprehensive Loss [Abstract]  
COMPREHENSIVE LOSS
(17) COMPREHENSIVE LOSS
     The components of comprehensive loss were as follows for the periods indicated (in thousands):
                                 
    Quarter Ended April 30,     Six Months Ended April 30,  
    2010     2011     2010     2011  
Net loss
  $ (90,009 )   $ (62,686 )   $ (143,342 )   $ (141,742 )
Change in unrealized gain (loss) on available-for-sale securities, net of tax
    (272 )     192       (458 )     375  
Change in unrealized gain (loss) on foreign currency forward contracts, net of tax
          175             175  
Change in accumulated translation adjustments
    98       5,625       (535 )     5,193  
 
                       
Total comprehensive loss
  $ (90,183 )   $ (56,694 )   $ (144,335 )   $ (135,999 )