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ACCOUNTS RECEIVABLE (Details) - USD ($)
$ in Millions
3 Months Ended
Jan. 31, 2017
Oct. 31, 2016
Concentration Risk [Line Items]    
Allowance for doubtful accounts $ 4.0 $ 4.0
Accounts receivable | Customer concentration risk | Unidentified customer one    
Concentration Risk [Line Items]    
Concentration risk, percentage 10.50%  
Accounts receivable | Customer concentration risk | Unidentified customer two    
Concentration Risk [Line Items]    
Concentration risk, percentage   10.40%