Lennar Homebuilding Investments in Unconsolidated Entities (Statements Of Operations) (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 31, 2018 USD ($) property	Aug. 31, 2017 USD ($) property	Aug. 31, 2018 USD ($) property	Aug. 31, 2017 USD ($) property
Schedule of Equity Method Investments [Line Items]
Equity in earnings (loss) from unconsolidated entities			$ (8,115)	$ 12,838
Lennar Multifamily
Schedule of Equity Method Investments [Line Items]
Number of operating properties sold | property	1	2	4	5
Revenues	$ 31,907	$ 18,822	$ 82,980	$ 44,414
Other income (1)	13,588	47,210	52,457	125,939
Net earnings (loss) of unconsolidated entities	(1,740)	37,128	12,925	94,626
Equity in earnings (loss) from unconsolidated entities	(1,730)	11,645	15,293	44,219
Lennar Homebuilding
Schedule of Equity Method Investments [Line Items]
Revenues	153,968	144,966	324,584	323,689
Costs and expenses	199,337	151,643	458,660	421,554
Other income (1)	66,690	12,578	180,231	18,695
Net earnings (loss) of unconsolidated entities	21,321	5,901	46,155	(79,170)
Equity in earnings (loss) from unconsolidated entities	$ (15,391)	$ (9,651)	$ (41,904)	$ (42,691)
FivePoint Unconsolidated Entity | Lennar Homebuilding
Schedule of Equity Method Investments [Line Items]
Ownership interest TRA liability	70.00%		70.00%