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FINANCIAL INSTRUMENTS - Fair value hierarchy (Details) - Fair Value, Measurements, Recurring - USD ($)
$ in Thousands
Jan. 31, 2020
Oct. 31, 2019
Fair Value, Inputs, Level 1    
Assets    
Deferred Compensation $ 1,652 $ 1,991
Liabilities    
Deferred Compensation 0 0
Fair Value, Inputs, Level 2    
Assets    
Derivatives 621 1,391
Liabilities    
Derivatives $ 375 $ 388