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FINANCIAL INSTRUMENTS - Fair value hierarchy (Details) - Fair Value, Measurements, Recurring - USD ($)
$ in Thousands
Jul. 31, 2021
Oct. 31, 2020
Fair Value, Inputs, Level 1    
Assets    
Deferred Compensation $ 2,398 $ 1,868
Liabilities    
Deferred Compensation 0 0
Fair Value, Inputs, Level 2    
Assets    
Derivatives 444 968
Liabilities    
Derivatives $ 909 $ 872