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FINANCIAL INSTRUMENTS - Fair value hierarchy (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands | Apr. 30, 2021 | Oct. 31, 2020
--- | --- | ---
Fair Value, Inputs, Level 1 |  |
Assets |  |
Deferred Compensation | $ 2,282 | $ 1,868
Liabilities |  |
Deferred Compensation | 0 | 0
Fair Value, Inputs, Level 2 |  |
Assets |  |
Derivatives | 410 | 968
Liabilities |  |
Derivatives | $ 928 | $ 872

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- Definition Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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