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RELATED PARTY TRANSACTIONS (Narrative) (Details) - USD ($)
12 Months Ended
Oct. 31, 2020
Oct. 31, 2019
Oct. 31, 2018
Related Party Transaction [Line Items]      
Accounts Payable, Related Parties, Current $ 1,289,000 $ 938,000  
Hurco Automation Ltd [Member]      
Related Party Transaction [Line Items]      
Equity Method Investment, Ownership Percentage 35.00%    
Equity Method Investments $ 4,400,000 4,200,000  
Related Party Transaction, Purchases from Related Party 6,200,000 8,500,000 $ 11,300,000
Revenue from Related Parties 265,000 198,000 $ 197,000
Accounts Payable, Related Parties, Current 1,300,000 938,000  
Accounts Receivable, Related Parties, Current $ 25,000 $ 22,000