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INTEREST AND OTHER INCOME (LOSS), NET (Tables)
 9 Months Ended
Jul. 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 July 31,
 
Nine Months Ended July 31,
 
2017
 
2016
 
2017
 
2016
Interest income
$
1,820

 
$
1,250

 
$
4,609

 
$
2,918

Gains (losses) on non-hedge designated foreign currency forward contracts
834

 
(4,787
)
 
(891
)
 
(20,000
)
Foreign currency exchange gain (loss)
(2,946
)
 
(839
)
 
(4,071
)
 
5,291

Modification of term loan
—

 
—

 
(2,924
)
 
—

Other
(556
)
 
729

 
(119
)
 
335

Interest and other income (loss), net
$
(848
)
 
$
(3,647
)
 
$
(3,396
)
 
$
(11,456
)