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INTEREST AND OTHER INCOME (LOSS), NET (Tables)
 3 Months Ended
Jan. 31, 2017
Other Income and Expenses [Abstract]  
Schedule of interest and other income (loss), net
The components of interest and other income (loss), net, are as follows (in thousands):
 
Quarter Ended January 31,
 
2017
 
2016
Interest income
$
1,282

 
$
686

Gains (losses) on non-hedge designated foreign currency forward contracts
1,024

 
(4,614
)
Foreign currency exchange losses
(2,417
)
 
(4,377
)
Other
481

 
(471
)
Interest and other income (loss), net
$
370

 
$
(8,776
)