Lennar Homebuilding Investments In Unconsolidated Entities (Statements Of Operations) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Nov. 30, 2015	Nov. 30, 2015	Nov. 30, 2014	Nov. 30, 2013
Schedule of Equity Method Investments [Line Items]
Equity in earnings (loss) from unconsolidated entities		$ 105,184	$ 73,376	$ 45,885
Lennar Homebuilding [Member]
Schedule of Equity Method Investments [Line Items]
Revenues		1,309,517	263,395	570,910
Costs and expenses		969,509	291,993	425,282
Other income		49,343	0	14,602
Net earnings of unconsolidated entities		389,351	(28,598)	160,230
Equity in earnings (loss) from unconsolidated entities		63,373	(355)	23,803
Homebuilding West [Member]
Schedule of Equity Method Investments [Line Items]
Equity in earnings (loss) from unconsolidated entities		62,960	(1,647)	22,039
Homebuilding West Joint Venture [Member] | Homebuilding West [Member]
Schedule of Equity Method Investments [Line Items]
Revenues	$ 472,000
Equity in earnings (loss) from unconsolidated entities		$ 82,794	$ 4,680	$ 19,769