Lennar Homebuilding Investments In Unconsolidated Entities (Statements Of Operations) (Details) (USD $)	3 Months Ended
	Feb. 28, 2015		Feb. 28, 2014
Lennar Homebuilding [Member]
Schedule of Equity Method Investments [Line Items]
Total revenues	$ 442,957,000		$ 143,694,000
Costs and expenses	298,879,000		145,639,000
Other income, net	2,943,000		0
Net earnings (loss) of unconsolidated entities	147,021,000		(1,945,000)
Equity in earnings (loss) from unconsolidated entities	28,899,000	[1]	4,990,000	[1]
Related Party Transaction [Domain]
Schedule of Equity Method Investments [Line Items]
Total revenues	126,400,000
Homesites sold	300
Gross Profit	44,600,000
Homebuilding West Joint Venture [Member]
Schedule of Equity Method Investments [Line Items]
Homesites sold	600
Equity in earnings (loss) from unconsolidated entities	$ 31,300,000		$ 4,500,000

[1] For the three months ended February 28, 2014, Lennar Homebuilding equity in earnings from unconsolidated entities included $4.5 million of equity in earnings primarily as a result of a third-party land sale by one unconsolidated entity.