Homebuilding Senior Notes and Other Debts Payable (Letter of Credit Facilities) (Details) - USD ($) $ in Thousands	May 31, 2026	Nov. 30, 2025
Performance letters of credit
Line of Credit Facility [Line Items]
Letters of credit	$ 2,069,635	$ 1,963,643
Financial letters of credit
Line of Credit Facility [Line Items]
Letters of credit	802,809	926,304
Surety bonds
Line of Credit Facility [Line Items]
Letters of credit	5,712,218	5,614,807
Anticipated future costs primarily for site improvements related to performance surety bonds
Line of Credit Facility [Line Items]
Letters of credit	$ 3,276,374	$ 3,056,582