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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Schedule of Fair Value of Derivative Instruments) (Details) - USD ($)
$ in Thousands
Jan. 31, 2018
Oct. 31, 2017
Derivatives, Fair Value [Line Items]    
Derivative assets $ 1,364 $ 596
Derivative liabilities 4,156 1,732
Foreign Exchange Forward [Member] | Designated as Hedging Instrument [Member]    
Derivatives, Fair Value [Line Items]    
Derivative assets 768 305
Derivative liabilities 2,677 1,508
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member]    
Derivatives, Fair Value [Line Items]    
Derivative assets 596 291
Derivative liabilities $ 1,479 $ 224