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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Effect of derivative instruments (Details) - USD ($)
$ in Thousands
3 Months Ended
Jan. 31, 2020
Jan. 31, 2019
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain (Loss) Recognized in Other Comprehensive Income (Loss) $ (4) $ (270)
Designated as Hedging Instrument | Foreign Exchange Forward | Intercompany sales/purchases    
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain (Loss) Recognized in Other Comprehensive Income (Loss) (4) (270)
Amount of Gain (Loss) Reclassified from Other Comprehensive Income (Loss) 80 (12)
Designated as Hedging Instrument | Foreign Exchange Forward | Net Investment Hedging    
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain (Loss) Recognized in Other Comprehensive Income (Loss) 25 (2)
Not Designated as Hedging Instrument | Foreign Exchange Forward | Other Income And Expense    
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain (Loss) Recognized in Operations $ 156 $ (234)