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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional information (Details) € in Millions	1 Months Ended		3 Months Ended	12 Months Ended
	Nov. 30, 2020	Nov. 30, 2017	Oct. 31, 2020 USD ($)	Oct. 31, 2020 USD ($)	Oct. 31, 2019 USD ($)	Dec. 31, 2018	Oct. 31, 2018 USD ($)	Dec. 31, 2017	Nov. 30, 2019 EUR (€)	Aug. 05, 2019 USD ($)	May 08, 2019 USD ($)	Oct. 31, 2013 USD ($)	Oct. 31, 2008 USD ($)
Translation of Foreign Currencies
Cumulative foreign currency translation adjustments			$ 4,100,000	$ 4,100,000
Derivative financial instruments:
Notional principal of foreign exchange contracts			70,800,000	70,800,000	$ 108,600,000
(Losses) gains, net of tax, related to cash flow hedges deferred in Accumulated Other Comprehensive Loss			395,000	395,000
Unrealized gain (loss), net of tax, to be reclassified in next 12 months			262,000	262,000
Property and Equipment
Depreciation and amortization expense				2,700,000	2,600,000		$ 2,500,000
Research and Development Costs
Research and development expenses				3,500,000	4,400,000		4,700,000
Software Development Costs
Capitalized costs				1,000,000.0	1,800,000		2,300,000
Accumulated amortization			21,000,000.0	21,000,000.0	19,500,000
Capitalized Computer Software, Amortization				1,500,000	1,000,000.0		1,100,000
Goodwill and Intangible Assets
Intangible assets amortization expense				358,000	117,000		$ 107,000
Expected future amortization expense, 2021			280,000	280,000
Expected future amortization expense, 2022			280,000	280,000
Expected future amortization expense, 2023			280,000	280,000
Expected future amortization expense, 2024			280,000	280,000
Expected future amortization expense, 2025			280,000	280,000
Goodwill			0	0	$ 5,847,000						$ 2,500,000
Goodwill impairment			4,903,000	$ 4,903,000
Income Tax
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent		35.00%		21.00%	21.00%	21.00%	23.00%	34.00%
Wholly Owned Distributor [Member] | MICHIGAN
Goodwill and Intangible Assets
Goodwill													$ 200,000
LCM
Goodwill and Intangible Assets
Goodwill												$ 2,200,000
ProCobots
Goodwill and Intangible Assets
Goodwill			4,900,000	$ 4,900,000	$ 2,500,000					$ 2,528,000
Goodwill impairment				2,500,000
Forward Contracts | Designated as Hedging Instrument
Derivative financial instruments:
Notional principal of foreign exchange contracts | €									€ 3.0
Realized gain on foreign currency translation adjustments				947,000
Unrealized gain (loss), net of tax, recorded as cumulative translation adjustments in Accumulated Other Comprehensive Loss			78,000	$ 78,000
Derivative maturity date				November 2020
Forward Contracts | Designated as Hedging Instrument | Subsequent Event [Member]
Derivative financial instruments:
Derivative maturity date	November 2021
Euros | Designated as Hedging Instrument
Derivative financial instruments:
Notional principal of foreign exchange contracts			9,000,000.0	$ 9,000,000.0
Pounds Sterling | Designated as Hedging Instrument
Derivative financial instruments:
Notional principal of foreign exchange contracts			3,100,000	3,100,000
New Taiwan Dollars | Designated as Hedging Instrument
Derivative financial instruments:
Notional principal of foreign exchange contracts			13,900,000	13,900,000
New Taiwan Dollars | Not Designated as Hedging Instrument
Derivative financial instruments:
Notional principal of foreign exchange contracts			24,500,000	$ 24,500,000
Forward Contracts Denominated In Euros Pounds Sterling And New Taiwan [Member] | Designated as Hedging Instrument
Derivative financial instruments:
Derivative maturity date				November 2020 through October 2021
Forward Contracts Denominated In Euros Pounds Sterling and South African Rand [Member] | Not Designated as Hedging Instrument
Derivative financial instruments:
Notional principal of foreign exchange contracts			$ 18,000,000.0	$ 18,000,000.0
Derivative maturity date				November 2020 through October 2021
Hurco Automation Ltd [Member]
Consolidation
Ownership interest			35.00%	35.00%
Equity investment in affiliate			$ 4,400,000	$ 4,400,000	$ 4,200,000

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