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Homebuilding Senior Notes and Other Debts Payable (Narrative) (Details) - Homebuilding - USD ($)	3 Months Ended
	Feb. 28, 2025	Nov. 30, 2024
Letter of Credit
Debt Instrument [Line Items]
Maximum borrowings	$ 477,500,000
Unsecured revolving credit facility
Debt Instrument [Line Items]
Maximum borrowings	3,025,000,000
Unsecured revolving credit facility | Commitments - maturing in November 2029
Debt Instrument [Line Items]
Maximum borrowings	2,800,000,000
Increase in borrowing capacity	150,000,000
Senior Notes
Debt Instrument [Line Items]
Debt issuance cost	$ 2,100,000	$ 2,400,000

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