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Comprehensive Loss
 6 Months Ended
Apr. 30, 2012
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]  
COMPREHENSIVE LOSS
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,
 
2011
 
2012
 
2011
 
2012
Net loss
$
(62,686
)
 
$
(27,780
)
 
$
(141,742
)
 
$
(75,433
)
Change in unrealized gain (loss) on available-for-sale securities, net of tax
192

 
(55
)
 
375

 
(79
)
Change in unrealized gain on foreign currency forward contracts, net of tax
175

 
(128
)
 
175

 
236

Change in accumulated translation adjustments
5,625

 
10

 
5,193

 
(2,212
)
Total comprehensive loss
$
(56,694
)
 
$
(27,953
)
 
$
(135,999
)
 
$
(77,488
)