Lennar Homebuilding Investments in Unconsolidated Entities (Statements Of Operations) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2017	May 31, 2016	May 31, 2017	May 31, 2016
Schedule of Equity Method Investments [Line Items]
Equity in earnings (loss) from unconsolidated entities			$ 5,986	$ 35,422
Lennar Homebuilding
Schedule of Equity Method Investments [Line Items]
Revenues	$ 132,587	$ 208,636	178,723	308,362
Costs and expenses	190,845	201,370	269,911	298,570
Other income	6,117	0	6,117	0
Net earnings (loss) of unconsolidated entities	(52,141)	7,266	(85,071)	9,792
Equity in earnings (loss) from unconsolidated entities	$ (21,506)	$ (9,633)	$ (33,040)	$ (6,633)