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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Fair value of derivative instruments (Details) - USD ($)
$ in Thousands
Jul. 31, 2021
Oct. 31, 2020
Derivatives, Fair Value [Line Items]    
Derivative assets $ 444 $ 968
Derivative liabilities 909 872
Foreign Exchange Forward | Designated as Hedging Instrument    
Derivatives, Fair Value [Line Items]    
Derivative assets 177 495
Derivative liabilities 697 279
Foreign Exchange Forward | Not Designated as Hedging Instrument    
Derivatives, Fair Value [Line Items]    
Derivative assets 267 473
Derivative liabilities $ 212 $ 593