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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional information (Details)
€ in Millions
1 Months Ended 12 Months Ended
Dec. 31, 2017
Oct. 31, 2019
USD ($)
Oct. 31, 2018
USD ($)
Oct. 31, 2017
USD ($)
Nov. 30, 2018
EUR (€)
Translation of Foreign Currencies          
Cumulative foreign currency translation adjustments   $ 10,000,000      
Derivative financial instruments:          
Notional principal of foreign exchange contracts   108,600,000 $ 145,200,000    
(Losses) gains, net of tax, related to cash flow hedges deferred in Accumulated Other Comprehensive Loss   612,000      
Unrealized gain (loss), net of tax, to be reclassified in next 12 months   373,000      
Gain (loss) on hedge ineffectiveness       $ 18,000  
Property and Equipment          
Depreciation and amortization expense   2,600,000 2,500,000 2,500,000  
Research and Development Costs          
Research and development expenses   4,400,000 4,700,000 4,200,000  
Software Development Costs          
Capitalized costs   1,800,000 2,300,000 2,300,000  
Accumulated amortization   19,500,000 18,500,000    
Capitalized Computer Software, Amortization   1,000,000 1,100,000 1,000,000  
Goodwill and Intangible Assets          
Intangible assets amortization expense   117,000 $ 107,000 $ 136,000  
Expected future amortization expense, 2020   132,000      
Expected future amortization expense, 2021   132,000      
Expected future amortization expense, 2022   132,000      
Expected future amortization expense, 2023   132,000      
Expected future amortization expense, 2024   $ 132,000      
Income Tax          
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 35.00% 21.00% 23.00% 34.00%  
Forward Contracts [Member] | Designated as Hedging Instrument [Member]          
Derivative financial instruments:          
Notional principal of foreign exchange contracts | €         € 3.0
Realized gain on net investment hedge   $ 804,000      
Unrealized gain (loss), net of tax, recorded as cumulative translation adjustments in Accumulated Other Comprehensive Loss   $ 129,000      
Derivative maturity date   November 2020      
Euros [Member] | Designated as Hedging Instrument [Member]          
Derivative financial instruments:          
Notional principal of foreign exchange contracts   $ 16,500,000      
Pounds Sterling [Member] | Designated as Hedging Instrument [Member]          
Derivative financial instruments:          
Notional principal of foreign exchange contracts   5,400,000      
New Taiwan Dollars [Member] | Designated as Hedging Instrument [Member]          
Derivative financial instruments:          
Notional principal of foreign exchange contracts   18,700,000      
New Taiwan Dollars [Member] | Not Designated as Hedging Instrument [Member]          
Derivative financial instruments:          
Notional principal of foreign exchange contracts   $ 28,200,000      
Forward Contracts Denominated In Euros Pounds Sterling And New Taiwan [Member] | Designated as Hedging Instrument [Member]          
Derivative financial instruments:          
Derivative maturity date   November 2019 through October 2020      
Forward Contracts Denominated In Euros Pounds Sterling and South African Rand [Member] | Not Designated as Hedging Instrument [Member]          
Derivative financial instruments:          
Notional principal of foreign exchange contracts   $ 36,300,000      
Derivative maturity date   November 2019 through October 2020      
Hurco Automation Ltd [Member]          
Consolidation          
Ownership interest   35.00%      
Equity investment in affiliate   $ 4,200,000 $ 4,000,000