Lennar Homebuilding Investments in Unconsolidated Entities (Statements Of Operations) (Details) - USD ($) $ in Thousands	3 Months Ended
	Feb. 28, 2017	Feb. 29, 2016
Schedule of Equity Method Investments [Line Items]
Equity in earnings (loss) from unconsolidated entities	$ 12,335	$ 24,183
Lennar Homebuilding
Schedule of Equity Method Investments [Line Items]
Revenues	46,136	99,726
Costs and expenses	79,066	97,200
Net earnings (loss) of unconsolidated entities	(32,930)	2,526
Equity in earnings (loss) from unconsolidated entities	$ (11,534)	$ 3,000