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Financial Instruments and Fair Value Disclosures - (Carrying Amounts And Estimated Fair Value Of Financial Instruments) (Details) - USD ($) $ in Thousands	Aug. 31, 2022	Nov. 30, 2021
Financial Services | Level 3 | Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans receivable and loans held-for-investment	$ 38,939	$ 44,582
Investments held-to-maturity	151,015	157,808
Financial Services | Level 3 | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans receivable and loans held-for-investment	38,950	44,594
Investments held-to-maturity	155,830	184,495
Financial Services | Level 1 | Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes and other debts payable	1,487,913	1,726,026
Financial Services | Level 1 | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes and other debts payable	1,486,170	1,726,860
Homebuilding | Level 1 | Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes and other debts payable	4,057,496	4,652,338
Homebuilding | Level 1 | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes and other debts payable	4,042,848	5,046,721
Multifamily | Level 1 | Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable	16,683	0
Multifamily | Level 1 | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable	$ 16,683	$ 0

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Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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Fair value of investment in debt security measured at amortized cost (held-to-maturity).

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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