Summary Of Significant Accounting Policies (Schedule Of Interest Expense) (Details) - Homebuilding - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2023	Nov. 30, 2022	Nov. 30, 2021
Segment Reporting Information [Line Items]
Other interest expense	$ 15,434	$ 19,128	$ 20,142
Total interest expense	257,893	312,731	365,373
Inventory, Homes
Segment Reporting Information [Line Items]
Interest expense	240,871	293,105	342,756
Inventory, Land
Segment Reporting Information [Line Items]
Interest expense	$ 1,588	$ 498	$ 2,475