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Note 12 - Reduction of Inventory to Fair Value - Inventory Impairments by Homebuilding Segment (Details) $ in Thousands | 12 Months Ended
--- | ---
Oct. 31, 2019 USD ($) | Oct. 31, 2018 USD ($) | Oct. 31, 2017 USD ($)
Dollar amount of impairment |  | $ 2,700 | $ 2,100 | $ 15,100
Homebuilding [Member] |  |  |  |
Number of communities |  | 6 | 5 | 10
Dollar amount of impairment |  | $ 2,700 | $ 2,100 | $ 15,100
Pre-impairment value | [1] | $ 17,500 | $ 11,200 | $ 52,900
Homebuilding [Member] | Northeast [Member] |  |  |  |
Number of communities |  | 2 | 1 | 2
Dollar amount of impairment |  | $ 200 | $ 400 | $ 3,300
Pre-impairment value | [1] | $ 7,800 | $ 1,000 | $ 22,200
Homebuilding [Member] | Mid-Atlantic [Member] |  |  |  |
Number of communities |  | 1 |  | 1
Dollar amount of impairment |  | $ 300 |  | $ 1,500
Pre-impairment value | [1] | $ 1,700 |  | $ 8,500
Homebuilding [Member] | Midwest [Member] |  |  |  |
Number of communities |  | 1 | 1 | 2
Dollar amount of impairment |  | $ 1,400 | $ 100 | $ 200
Pre-impairment value | [1] | $ 4,600 | $ 500 | $ 800
Homebuilding [Member] | Southeast [Member] |  |  |  |
Number of communities |  | 1 | 3 | 3
Dollar amount of impairment |  | $ 700 | $ 1,600 | $ 8,100
Pre-impairment value | [1] | $ 2,200 | $ 9,700 | $ 18,300
Homebuilding [Member] | Southwest [Member] |  |  |  |
Number of communities |  | 1 |  |
Dollar amount of impairment |  | $ 100 |  |
Pre-impairment value | [1] | $ 1,200 |  |
Homebuilding [Member] | West [Member] |  |  |  |
Number of communities |  |  |  | 2
Dollar amount of impairment |  |  |  | $ 2,000
Pre-impairment value | [1] |  |  | $ 3,100
[1] | Represents carrying value, net of prior period impairments, if any, at the time of recording the applicable period's impairments.

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- Definition Represents the number of communities with impairment losses. + References No definition available. + Details
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Balance Type: | na
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- Definition Book value of inventory prior to current period impairment charge. + References No definition available. + Details
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- Definition The charge against earnings in the period to reduce the carrying amount of real property to fair value. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230 + Details
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- Details
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- Details
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- Details
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- Details
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- Details
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- Details
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