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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details) € in Millions |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jan. 02, 2018 | Dec. 31, 2017 USD ($) | Dec. 31, 2018 | Oct. 31, 2018 USD ($) | Oct. 31, 2017 USD ($) | Oct. 31, 2016 USD ($) | Nov. 30, 2017 EUR (€)
Translation of Foreign Currencies |  |  |  |  |  |  |
Cumulative foreign currency translation adjustments |  |  |  | $ 10,600,000 |  |  |
Derivative financial instruments: |  |  |  |  |  |  |
Notional principal of foreign exchange contracts |  |  |  | 145,200,000 | $ 134,300,000 |  |
(Losses) gains, net of tax, related to cash flow hedges deferred in Accumulated Other Comprehensive Loss |  |  |  | 156,000 |  |  |
Unrealized gain (loss), net of tax, to be reclassified in next 12 months |  |  |  | 605,000 |  |  |
Gain (loss) on hedge ineffectiveness |  |  |  |  | 18,000 | $ 18,000 |
Property and Equipment |  |  |  |  |  |  |
Depreciation and amortization expense |  |  |  | 2,500,000 | 2,500,000 | 2,500,000 |
Research and Development Costs |  |  |  |  |  |  |
Research and development expenses |  |  |  | 4,700,000 | 4,200,000 | 4,900,000 |
Software Development Costs |  |  |  |  |  |  |
Capitalized costs |  |  |  | 2,300,000 | 2,300,000 | 2,200,000 |
Accumulated amortization |  |  |  | 18,500,000 | 17,400,000 |  |
Capitalized Computer Software, Amortization |  |  |  | 1,100,000 | 1,000,000 | 1,200,000 |
Goodwill and Intangible Assets |  |  |  |  |  |  |
Intangible assets amortization expense |  |  |  | 107,000 | $ 136,000 | $ 137,000 |
Expected future amortization expense, 2019 |  |  |  | 117,000 |  |  |
Expected future amortization expense, 2020 |  |  |  | 117,000 |  |  |
Expected future amortization expense, 2021 |  |  |  | 117,000 |  |  |
Expected future amortization expense, 2022 |  |  |  | 117,000 |  |  |
Expected future amortization expense, 2023 |  |  |  | $ 117,000 |  |  |
Income Tax |  |  |  |  |  |  |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent | 21.00% | 35.00% |  | 23.00% | 34.00% | 34.00% |
Tax Cuts and Jobs Act Of 2017, effect of change in tax rate |  | $ 600,000 |  | $ 596,000 |  |  |
Tax Cuts and Jobs Act Of 2017, effect of transition tax on deemed repatriation of accumulated foreign earnings |  | 2,200,000 |  |  |  |  |
Tax Cuts and Jobs Act 2017, total impact on income tax expense (benefit) |  | $ 2,800,000 |  |  |  |  |
Subsequent Event [Member] |  |  |  |  |  |  |
Income Tax |  |  |  |  |  |  |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent |  |  | 21.00% |  |  |  |
Forward Contracts NOT Designated as Hedging Instrument [Member] |  |  |  |  |  |  |
Derivative financial instruments: |  |  |  |  |  |  |
Derivative maturity date |  |  |  | November 2018 through July 2019. |  |  |
Forward Contracts Designated as Net Investment Hedge [Member] | Designated as Hedging Instrument [Member] |  |  |  |  |  |  |
Derivative financial instruments: |  |  |  |  |  |  |
Notional principal of foreign exchange contracts | € |  |  |  |  |  |  | € 3.0
Realized gain on net investment hedge |  |  |  | $ 652,000 |  |  |
Unrealized gain (loss), net of tax, recorded as cumulative translation adjustments in Accumulated Other Comprehensive Loss |  |  |  | $ 153,000 |  |  |
Derivative maturity date |  |  |  | November 2019 |  |  |
Euros [Member] | Designated as Hedging Instrument [Member] |  |  |  |  |  |  |
Derivative financial instruments: |  |  |  |  |  |  |
Notional principal of foreign exchange contracts |  |  |  | $ 32,900,000 |  |  |
Pounds Sterling [Member] | Designated as Hedging Instrument [Member] |  |  |  |  |  |  |
Derivative financial instruments: |  |  |  |  |  |  |
Notional principal of foreign exchange contracts |  |  |  | 9,600,000 |  |  |
New Taiwan Dollars [Member] | Designated as Hedging Instrument [Member] |  |  |  |  |  |  |
Derivative financial instruments: |  |  |  |  |  |  |
Notional principal of foreign exchange contracts |  |  |  | 34,300,000 |  |  |
New Taiwan Dollars [Member] | Forward Contracts NOT Designated as Hedging Instrument [Member] |  |  |  |  |  |  |
Derivative financial instruments: |  |  |  |  |  |  |
Notional principal of foreign exchange contracts |  |  |  | 37,600,000 |  |  |
Forward Contracts Denominated In Euros Pounds Sterling and South African Rand [Member] | Forward Contracts NOT Designated as Hedging Instrument [Member] |  |  |  |  |  |  |
Derivative financial instruments: |  |  |  |  |  |  |
Notional principal of foreign exchange contracts |  |  |  | $ 22,400,000 |  |  |
Forward Contracts Designated as Hedging Instrument [Member] |  |  |  |  |  |  |
Derivative financial instruments: |  |  |  |  |  |  |
Derivative maturity date |  |  |  | November 2018 through November 2019 |  |  |
Hurco Automation Ltd [Member] |  |  |  |  |  |  |
Consolidation |  |  |  |  |  |  |
Ownership interest |  |  |  | 35.00% |  |  |
Equity investment in affiliate |  |  |  | $ 4,000,000 | $ 3,600,000 |  |

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