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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Effect of derivative instruments (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2020 | Apr. 30, 2019 | Apr. 30, 2020 | Apr. 30, 2019
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of Gain (Loss) Recognized in Other Comprehensive Income (Loss) | $ 551 | $ 289 | $ 547 | $ 19
Designated as Hedging Instrument | Foreign Exchange Forward | Intercompany sales/purchases |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of Gain (Loss) Recognized in Other Comprehensive Income (Loss) | 551 | 289 | 547 | 19
Amount of Gain (Loss) Reclassified from Other Comprehensive Income (Loss) | 30 | 48 | 110 | 36
Designated as Hedging Instrument | Foreign Exchange Forward | Net Investment Hedging |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of Gain (Loss) Recognized in Other Comprehensive Income (Loss) | 64 | 74 | 89 | 72
Not Designated as Hedging Instrument | Foreign Exchange Forward | Other Income And Expense |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of Gain (Loss) Recognized in Operations | $ 970 | $ 345 | $ 1,126 | $ 111

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- Definition Total amount of gain (loss) derived from fair value hedges recognized in earnings in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959 + Details
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