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Financial Instruments and Fair Value Disclosure (Carrying Amounts And Estimated Fair Value Of Financial Instruments) (Details) - USD ($) $ in Thousands | Nov. 30, 2024 | Nov. 30, 2023
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Homebuilding | Carrying Amount |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Notes and other debts payable | $ 2,258,283 | $ 2,816,482
Financial Services | Carrying Amount |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Loans held-for-investment, net | 60,969 | 55,463
Investments held-to-maturity | 135,646 | 140,676
Notes and other debts payable | 1,930,956 | 2,163,805
Level 3 | Financial Services | Fair Value |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Loans held-for-investment, net | 61,044 | 55,463
Investments held-to-maturity | 138,160 | 139,396
Level 2 | Homebuilding | Fair Value |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Notes and other debts payable | 2,264,375 | 2,785,712
Level 2 | Financial Services | Fair Value |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Notes and other debts payable | 1,931,515 | 2,164,441
Level 2 | Multifamily | Carrying Amount |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Notes and other debts payable | 0 | 3,741
Level 2 | Multifamily | Fair Value |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Notes and other debts payable | $ 0 | $ 3,741

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