Lennar Homebuilding Investments in Unconsolidated Entities (Narrative) (Details) $ in Thousands		3 Months Ended		12 Months Ended
		Feb. 28, 2017 USD ($)	Feb. 29, 2016 USD ($) homes	Nov. 30, 2016 USD ($)	May 02, 2016 investment
Schedule of Equity Method Investments [Line Items]
Equity in earnings (loss) from unconsolidated entities		$ 12,335	$ 24,183
Number of investments in joint ventures contributed | investment					3
Lennar Homebuilding
Schedule of Equity Method Investments [Line Items]
Equity in earnings (loss) from unconsolidated entities		(11,534)	$ 3,000
Investments in unconsolidated entities	[1]	910,084		$ 811,723
Underlying equity in unconsolidated partners' net assets		$ 1,300,000		1,200,000
Lennar Homebuilding | Unconsolidated entity
Schedule of Equity Method Investments [Line Items]
Homesites sold | homes			220
Lennar Homebuilding | Joint Ventures Previously Managed by FivePoint Communities
Schedule of Equity Method Investments [Line Items]
Number of investments in joint ventures contributed | investment					3
Lennar Homebuilding | FivePoint Unconsolidated Entity
Schedule of Equity Method Investments [Line Items]
Equity in earnings (loss) from unconsolidated entities				$ 42,600
Operating Segments | Lennar Homebuilding | Unconsolidated entity
Schedule of Equity Method Investments [Line Items]
Equity in earnings (loss) from unconsolidated entities			$ 6,000

[1] Under certain provisions of Accounting Standards Codification ("ASC") Topic 810, Consolidations, ("ASC 810") the Company is required to separately disclose on its condensed consolidated balance sheets the assets owned by consolidated variable interest entities ("VIEs") and liabilities of consolidated VIEs as to which neither Lennar Corporation, or any of its subsidiaries, has any obligations. As of February 28, 2017, total assets include $651.1 million related to consolidated VIEs of which $9.5 million is included in Lennar Homebuilding cash and cash equivalents, $0.1 million in Lennar Homebuilding receivables, net, $72.4 million in Lennar Homebuilding finished homes and construction in progress, $177.5 million in Lennar Homebuilding land and land under development, $156.2 million in Lennar Homebuilding consolidated inventory not owned, $4.6 million in Lennar Homebuilding investments in unconsolidated entities, $16.4 million in Lennar Homebuilding other assets, $173.2 million in Rialto assets and $41.2 million in Lennar Multifamily assets. As of November 30, 2016, total assets include $536.3 million related to consolidated VIEs of which $13.3 million is included in Lennar Homebuilding cash and cash equivalents, $0.2 million in Lennar Homebuilding receivables, net, $54.2 million in Lennar Homebuilding finished homes and construction in progress, $106.3 million in Lennar Homebuilding land and land under development, $121.0 million in Lennar Homebuilding consolidated inventory not owned, $4.6 million in Lennar Homebuilding investments in unconsolidated entities, $13.9 million in Lennar Homebuilding other assets, $213.8 million in Rialto assets and $8.8 million in Lennar Multifamily assets.