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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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