Summary Of Significant Accounting Policies (Schedule Of Interest Expense) (Details) - Homebuilding - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2022	Nov. 30, 2021	Nov. 30, 2020
Segment Reporting Information [Line Items]
Other interest expense	$ 19,128	$ 20,142	$ 22,401
Total interest expense	312,731	365,373	374,104
Inventory, Homes
Segment Reporting Information [Line Items]
Interest expense	293,105	342,756	349,109
Inventory, Land
Segment Reporting Information [Line Items]
Interest expense	$ 498	$ 2,475	$ 2,594