Lennar Homebuilding Investments in Unconsolidated Entities (Narrative) (Details) $ in Thousands		3 Months Ended		6 Months Ended		12 Months Ended
		May 31, 2017 USD ($)	May 31, 2016 USD ($) homes	May 31, 2017 USD ($)	May 31, 2016 USD ($) homes	Nov. 30, 2016 USD ($)	May 02, 2016 investment
Schedule of Equity Method Investments [Line Items]
Equity in earnings (loss) from unconsolidated entities				$ 5,986	$ 35,422
Payments to Acquire Equity Method Investments				$ 315,755	210,225
FivePoint Unconsolidated Entity
Schedule of Equity Method Investments [Line Items]
Payments to Acquire Equity Method Investments		$ 100,000
Equity Method Investment, Ownership Percentage		40.00%		40.00%
Investments in unconsolidated entities		$ 356,400		$ 356,400
Lennar Homebuilding
Schedule of Equity Method Investments [Line Items]
Equity in earnings (loss) from unconsolidated entities		(21,506)	$ (9,633)	(33,040)	$ (6,633)
Investments in unconsolidated entities	[1]	995,400		995,400		$ 811,723
Underlying equity in unconsolidated partners' net assets		$ 1,200,000		$ 1,200,000		1,200,000
Lennar Homebuilding | Unconsolidated Entity
Schedule of Equity Method Investments [Line Items]
Homesites sold | homes			253		471
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			$ 6,700		$ 12,700
Lennar Corp [Member] | Lennar Homebuilding | Unconsolidated Entity
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Summarized Financial Information, Sales of Real Estate			92,000		92,000
Equity Method Investment, Summarized Financial Information, Gross Profit (Loss)			$ 29,700		$ 29,700
Homesites sold | homes			312		312

[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 May 31, 2017, total assets include $575.7 million related to consolidated VIEs of which $9.4 million is included in Lennar Homebuilding cash and cash equivalents, $0.2 million in Lennar Homebuilding receivables, net, $77.8 million in Lennar Homebuilding finished homes and construction in progress, $173.1 million in Lennar Homebuilding land and land under development, $138.6 million in Lennar Homebuilding consolidated inventory not owned, $4.6 million in Lennar Homebuilding investments in unconsolidated entities, $12.9 million in Lennar Homebuilding other assets, $117.5 million in Rialto assets and $41.6 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.