INTEREST AND OTHER INCOME (LOSS), NET (Tables)
 6 Months Ended
Apr. 30, 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 April 30,
 
Six Months Ended April 30,
 
2017
 
2016
 
2017
 
2016
Interest income
$
1,507

 
$
982

 
$
2,789

 
$
1,668

Losses on non-hedge designated foreign currency forward contracts
(2,749
)
 
(10,600
)
 
(1,725
)
 
(15,213
)
Foreign currency exchange gain (loss)
1,292

 
10,506

 
(1,125
)
 
6,130

Modification of term loan
(2,924
)
 
—

 
(2,924
)
 
—

Other
(44
)
 
79

 
437

 
(394
)
Interest and other income (loss), net
$
(2,918
)
 
$
967

 
$
(2,548
)
 
$
(7,809
)