Homebuilding Investments in Unconsolidated Entities (Narrative) (Details) $ in Thousands		3 Months Ended
		Feb. 28, 2019 USD ($) investment	Feb. 28, 2018 USD ($)	Nov. 30, 2018 USD ($)
Schedule of Equity Method Investments [Line Items]
Equity in earnings (loss) from unconsolidated entities		$ (5,710)	$ (2,431)
Gain on sale of strategic joint venture		$ 10,865	164,880
FivePoint Unconsolidated Entity
Schedule of Equity Method Investments [Line Items]
Unconsolidated entities ownership percentage		40.00%
Investments in unconsolidated entities		$ 362,100		$ 342,700
Homebuilding
Schedule of Equity Method Investments [Line Items]
Equity in earnings (loss) from unconsolidated entities		(13,756)	$ (14,128)
Investments in unconsolidated entities	[1]	924,056		870,201
Underlying equity in unconsolidated partners' net assets		$ 1,200,000		$ 1,200,000
Homebuilding | Joint Ventures Previously Managed by FivePoint Communities
Schedule of Equity Method Investments [Line Items]
Number of investments in joint ventures contributed | investment		3
Homebuilding | Treasure Island Holdings
Schedule of Equity Method Investments [Line Items]
Unconsolidated entities ownership percentage			80.00%
Gain on sale of strategic joint venture			$ 164,900

[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, 2019, total assets include $1.0 billion related to consolidated VIEs of which $37.4 million is included in Homebuilding cash and cash equivalents, $0.3 million in Homebuilding receivables, net, $102.3 million in Homebuilding finished homes and construction in progress, $311.4 million in Homebuilding land and land under development, $301.9 million in Homebuilding consolidated inventory not owned, $4.0 million in Homebuilding investments in unconsolidated entities, $10.5 million in Homebuilding other assets, $187.2 million in Financial Services assets, $51.6 million in Multifamily assets and $8.1 million in Lennar Other assets. As of November 30, 2018, total assets include $666.2 million related to consolidated VIEs of which $57.6 million is included in Homebuilding cash and cash equivalents, $0.2 million in Homebuilding receivables, net, $81.7 million in Homebuilding finished homes and construction in progress, $293.1 million in Homebuilding land and land under development, $209.0 million in Homebuilding consolidated inventory not owned, $3.8 million in Homebuilding investments in unconsolidated entities, $10.5 million in Homebuilding other assets and $10.3 million in Lennar Other assets.