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Interest and Other Income (Loss), Net (Tables)
 12 Months Ended
Oct. 31, 2014
Other Income and Expenses [Abstract]  
Schedule of Interest and Other Income (Loss)
The components of interest and other income (loss), net, were as follow (in thousands):
 
 
October 31,
 
 
2012
 
2013
 
2014
Interest income
 
776

 
550

 
407

Change in fair value of embedded derivative
 
(6,600
)
 
2,950

 
(2,740
)
Gain (loss) on non-hedge designated foreign currency forward contracts
 
—

 
296

 
(5,757
)
Foreign currency exchange losses
 
(7,758
)
 
(8,168
)
 
(15,663
)
Other
 
(1,618
)
 
(1,372
)
 
(1,509
)
Interest and other income (loss), net
 
(15,200
)
 
(5,744
)
 
(25,262
)