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Summary Of Significant Accounting Policies (Communities with Indicators of Impairment and Communities with Valuation Adjustments Recorded) (Details) $ in Thousands | 12 Months Ended
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Nov. 30, 2023 USD ($) community | Nov. 30, 2022 USD ($) community
Accounting Policies [Abstract] |  |
# of communities with potential indicators of impairment | community | 25 | 15
Communities with valuation adjustments, # of communities | community | 18 | 9
Communities with valuation adjustments, Fair Value | $ | $ 95,731 | $ 105,042
Communities with valuation adjustments, Valuation Adjustments | $ | $ 37,500 | $ 33,563

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- Definition Amount of inventory reserves for last-in first-out (LIFO) and other inventory valuation methods. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483080/330-10-50-1 + Details
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