Homebuilding Investments in Unconsolidated Entities (Statements Of Operations) (Details) - USD ($) $ in Thousands	3 Months Ended
	Feb. 28, 2019	Feb. 28, 2018
Schedule of Equity Method Investments [Line Items]
Equity in earnings (loss) from unconsolidated entities	$ (5,710)	$ (2,431)
Homebuilding
Schedule of Equity Method Investments [Line Items]
Revenues	90,644	68,189
Costs and expenses	123,751	107,424
Other income	197	0
Net loss of unconsolidated entities	(32,910)	(39,235)
Equity in earnings (loss) from unconsolidated entities	$ (13,756)	$ (14,128)