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Homebuilding Senior Notes and Other Debts Payable (Narrative) (Details) - Homebuilding - USD ($)
Feb. 29, 2024
Nov. 30, 2023
Letter of Credit    
Debt Instrument [Line Items]    
Maximum borrowings $ 500,000,000  
Senior Notes    
Debt Instrument [Line Items]    
Debt issuance cost $ 3,800,000 $ 4,200,000