DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Fair value of derivative instruments (Details) - USD ($) $ in Thousands	Apr. 30, 2020	Oct. 31, 2019
Derivatives, Fair Value [Line Items]
Derivative assets	$ 1,449	$ 1,391
Derivative liabilities	60	388
Foreign Exchange Forward \| Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivative assets	721	751
Derivative liabilities	10	99
Foreign Exchange Forward \| Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivative assets	728	640
Derivative liabilities	$ 50	$ 289

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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