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Note 19 - Fair Value of Financial Instruments - Changes in Fair Values Included in Income (Loss) (Details) - Financial Services Revenue Line Item [Member] - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Apr. 30, 2019 | Apr. 30, 2018 | Apr. 30, 2019 | Apr. 30, 2018
Loans Held for Sale [Member] |  |  |  |
Fair value included in net loss all reflected in financial services revenues | $ 946 | $ 127 | $ 2,942 | $ 2,541
Interest Rate Lock Commitments [Member] |  |  |  |
Fair value included in net loss all reflected in financial services revenues | (208) | 178 | 17 | (70)
Forward Contracts [Member] |  |  |  |
Fair value included in net loss all reflected in financial services revenues | $ 406 | $ (143) | $ 21 | $ 125

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- Definition For each line item in the statement of financial position, the amounts of gains and losses from fair value changes included in earnings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=75031198&loc=d3e14172-108612 + Details
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