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Interest and Other Income (Loss), Net (Tables)
 3 Months Ended
Jan. 31, 2018
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,
 
2018
 
2017
Interest income
$
2,444

 
$
1,282

Gains (losses) on non-hedge designated foreign currency forward contracts
(699
)
 
1,024

Foreign currency exchange gain (loss)
13

 
(2,417
)
Other
(183
)
 
481

Interest and other income (loss), net
$
1,575

 
$
370