Lennar Homebuilding Investments in Unconsolidated Entities (Total Debt Of Unconsolidated Entities) (Details) - Lennar Homebuilding - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Feb. 28, 2017	Nov. 30, 2016
Schedule of Equity Method Investments [Line Items]
Non-recourse bank debt and other debt (partner’s share of several recourse)	$ 72,162	$ 48,945
Non-recourse land seller debt and other debt	3,995	323,995
Non-recourse debt with completion guarantees	298,319	147,100
Non-recourse debt without completion guarantees	325,115	320,372
Non-recourse debt to the Company	699,591	840,412
The Company’s maximum recourse exposure	77,119	52,438
Debt issuance costs	6,123	4,186
Total debt	$ 770,587	$ 888,664
The Company’s maximum recourse exposure as a % of total JV debt	10.00%	6.00%
Unconsolidated entity
Schedule of Equity Method Investments [Line Items]
Non-recourse land seller debt and other debt		$ 320,000