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PREPAID EXPENSES AND OTHER (Tables)
9 Months Ended
Jul. 31, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Prepaid Expenses and Other As of the dates indicated, prepaid expenses and other are comprised of the following (in thousands):
July 31,
2021
October 31,
2020
Contract assets for unbilled accounts receivable, net$98,812 $85,843 
Prepaid expenses75,287 70,647 
Prepaid VAT and other taxes70,735 72,838 
Product demonstration equipment, net35,411 44,793 
Other non-trade receivables17,808 21,981 
Capitalized contract acquisition costs15,067 11,296 
Derivative assets8,598 82 
CEWS receivable1,229 — 
Deferred deployment expense336 604 
 $323,283 $308,084