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Note 12 - Reduction of Inventory to Fair Value - Inventory Impairments by Homebuilding Segment (Details) $ in Millions | 12 Months Ended
--- | ---
Oct. 31, 2024 USD ($) Item | Oct. 31, 2022 USD ($) Item
Real Estate [Line Items] |  |  |
Dollar amount of impairment |  | $ 10.0 | $ 8.4
Home Building [Member] |  |  |
Real Estate [Line Items] |  |  |
Number of communities | Item |  | 4 | 1
Dollar amount of impairment |  | $ 10.0 | $ 8.4
Pre-impairment value | [1] | $ 41.0 | $ 10.6
Home Building [Member] | Northeast [Member] |  |  |
Real Estate [Line Items] |  |  |
Number of communities | Item |  | 2 | 0
Dollar amount of impairment |  | $ 4.8 | $ 0.0
Pre-impairment value | [1] | $ 16.0 | $ 0.0
Home Building [Member] | Southeast [Member] |  |  |
Real Estate [Line Items] |  |  |
Number of communities | Item |  | 0 | 0
Dollar amount of impairment |  | $ 0.0 | $ 0.0
Pre-impairment value | [1] | $ 0.0 | $ 0.0
Home Building [Member] | West [Member] |  |  |
Real Estate [Line Items] |  |  |
Number of communities | Item |  | 2 | 1
Dollar amount of impairment |  | $ 5.2 | $ 8.4
Pre-impairment value | [1] | $ 25.0 | $ 10.6
[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
Period Type: | duration

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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 -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-2 + Details
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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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 976 -SubTopic 310 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477332/976-310-50-1 + Details
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- Details
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- Details
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- Details
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Period Type: |

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- Details
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