Homebuilding Senior Notes and Other Debts Payable (Narrative) (Details) - Homebuilding - USD ($)	Feb. 28, 2023	Nov. 30, 2022
Letter of Credit
Debt Instrument [Line Items]
Maximum borrowings	$ 500,000,000
Senior Notes
Debt Instrument [Line Items]
Debt issuance cost	$ 6,900,000	$ 7,600,000

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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