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Interest and Other Income (Loss), Net (Tables)
 12 Months Ended
Oct. 31, 2019
Other Income and Expenses [Abstract]  
Schedule of Interest and Other Income (Loss)
The components of interest and other income (loss), net, were as follows (in thousands):
 
 
Year Ended October 31,
 
 
2019
 
2018
 
2017
Interest income
 
$
14,410

 
$
13,703

 
$
6,579

Gain (loss) on non-hedge designated foreign currency forward contracts
 
3

 
6,791

 
(1,198
)
Foreign currency exchange losses
 
(9,800
)
 
(19,434
)
 
(4,376
)
Loss on fair value of debt conversion liability
 
—

 
(12,070
)
 
—

Other
 
(737
)
 
(1,019
)
 
(92
)
Interest and other income (loss), net
 
$
3,876

 
$
(12,029
)
 
$
913