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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Additional Information (Details) € in Millions | 9 Months Ended |  |
--- | --- | --- | ---
Jul. 31, 2020 USD ($) | Nov. 30, 2019 EUR (€) | Oct. 31, 2019 USD ($)
Derivative financial instruments: |  |  |
Notional principal of foreign exchange contracts | $ 64,700,000 |  | $ 108,600,000
Gain (loss), net of tax, related to cash flow hedged | 67,000 |  |
Unrealized gain (loss), net of tax, to be reclassified in next 12 months | 102,000 |  |
Not Designated as Hedging Instrument |  |  |
Derivative financial instruments: |  |  |
Notional principal of foreign exchange contracts | 43,300,000 |  |
Forward Contracts | Designated as Hedging Instrument |  |  |
Derivative financial instruments: |  |  |
Notional principal of foreign exchange contracts | € |  | € 3.0 |
Realized gain, net of tax, recorded as cumulative translation adjustments in Accumulated Other Comprehensive Loss | 947,000 |  |
Unrealized gain, net of tax, recorded as cumulative translation adjustments in Accumulated Other Comprehensive Loss | 118,000 |  |
Euros | Designated as Hedging Instrument |  |  |
Derivative financial instruments: |  |  |
Notional principal of foreign exchange contracts | 5,600,000 |  |
Pounds Sterling | Designated as Hedging Instrument |  |  |
Derivative financial instruments: |  |  |
Notional principal of foreign exchange contracts | 2,500,000 |  |
New Taiwan Dollars | Designated as Hedging Instrument |  |  |
Derivative financial instruments: |  |  |
Notional principal of foreign exchange contracts | $ 11,800,000 |  |

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- Definition Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=118930883&loc=d3e637-108580 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=118930883&loc=d3e681-108580 + Details
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