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Homebuilding Senior Notes and Other Debts Payable (Narrative) (Details) - Homebuilding - USD ($) | Feb. 28, 2023 | Nov. 30, 2022
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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

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