Lennar Homebuilding Investments in Unconsolidated Entities (Statements Of Operations) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 31, 2016	Aug. 31, 2015	Aug. 31, 2016	Aug. 31, 2015
Schedule of Equity Method Investments [Line Items]
Equity in earnings (loss) from unconsolidated entities			$ 28,424	$ 70,679
Lennar Homebuilding
Schedule of Equity Method Investments [Line Items]
Revenues	$ 43,889	$ 141,599	352,251	765,346
Costs and expenses	110,649	127,678	409,219	580,696
Other income	0	46,400	0	49,343
Net earnings (loss) of unconsolidated entities	(66,760)	60,321	(56,968)	233,993
Equity in earnings (loss) from unconsolidated entities	$ (18,034)	$ 13,300	$ (24,667)	$ 48,693