Variable Interest Entities (Exposure to Losses) (Details) - Variable Interest Entity, Not Primary Beneficiary Including Third Parties - USD ($) $ in Thousands	May 31, 2026	Nov. 30, 2025
Variable Interest Entity [Line Items]
Non-refundable option deposits and pre-acquisition costs on real estate	$ 6,982,603	$ 6,301,909
Non-refundable option deposits included in consolidated inventory not owned	175,995	220,025
Financial Standby Letters of Credit
Variable Interest Entity [Line Items]
Letters of credit in lieu of cash deposits under certain land and option contracts	$ 411,051	$ 443,277