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Interest and Other Income, Net (Tables)
 6 Months Ended
Apr. 30, 2019
Other Income and Expenses [Abstract]  
Schedule of Interest and Other Income, Net
The components of interest and other income, net, are as follows (in thousands):
 
Quarter Ended April 30,
 
Six Months Ended April 30,
 
2019
 
2018
 
2019
 
2018
Interest income
$
3,519

 
$
3,212

 
$
7,391

 
$
5,656

Gains (losses) on non-hedge designated foreign currency forward contracts
(898
)
 
2,868

 
(877
)
 
2,169

Foreign currency exchange losses
(2,995
)
 
(4,804
)
 
(2,212
)
 
(4,791
)
Other
130

 
20

 
(293
)
 
(163
)
Interest and other income (loss), net
$
(244
)
 
$
1,296

 
$
4,009

 
$
2,871