Rialto Investments Segment (Assets And Liabilities Related To Rialto Segment) (Details) (USD $) In Thousands, unless otherwise specified	May 31, 2012		Feb. 29, 2012	Nov. 30, 2011		May 31, 2011	Feb. 28, 2011	Nov. 30, 2010
Segment Reporting Information [Line Items]
Cash and cash equivalents	$ 829,382			$ 1,163,604		$ 1,131,454		$ 1,394,135
Total assets	9,351,209	[1]		9,154,671	[1]
Notes payable	3,469,616			3,362,759
Total liabilities	5,571,301	[2]		5,851,146	[2]
Rialto Investments [Member]
Segment Reporting Information [Line Items]
Cash and cash equivalents	92,959	[1]		83,938	[1]	69,649
Defeasance cash to retire notes payable	138,665	[1]		219,386	[1]
Loans receivable, net	578,375	[1]		713,354	[1]
Real estate owned - held-for-sale	113,115	[1]	101,579	143,677	[1]	514,249	431,119	250,286
Real estate owned - held-and-used, net	634,401	[1]	630,570	582,111	[1]	16,467	15,126	7,818
Investments in unconsolidated entities	150,733	[1]		124,712	[1]
Investments held-to-maturity	14,538	[1]		14,096	[1]
Other	26,041	[1]		15,874	[1]
Total assets	1,748,827	[1],[3]		1,897,148	[1],[3]
Notes payable	594,915	[2]		765,541	[2]
Other	17,683	[2]		30,579	[2]
Total liabilities	$ 612,598	[2]		$ 796,120	[2]

[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, 2012, total assets include $2,136.9 million related to consolidated VIEs of which $17.1 million is included in Lennar Homebuilding cash and cash equivalents, $1.3 million in Lennar Homebuilding restricted cash, $6.9 million in Lennar Homebuilding receivables, net, $17.0 million in Lennar Homebuilding finished homes and construction in progress, $511.2 million in Lennar Homebuilding land and land under development, $65.5 million in Lennar Homebuilding consolidated inventory not owned, $43.8 million in Lennar Homebuilding investments in unconsolidated entities, $218.9 million in Lennar Homebuilding other assets, $92.3 million in Rialto Investments cash and cash equivalents, $138.7 million in Rialto Investments defeasance cash to retire notes payable, $464.1 million in Rialto Investments loans receivable, net, $91.0 million in Rialto Investments real estate owned, held-for-sale, $460.4 million in Rialto Investments real estate owned, held-and-used, net, $0.6 million in Rialto Investments in unconsolidated entities and $8.1 million in Rialto Investments other assets.As of November 30, 2011, total assets include $2,317.4 million related to consolidated VIEs of which $19.6 million is included in Lennar Homebuilding cash and cash equivalents, $5.3 million in Lennar Homebuilding receivables, net, $0.1 million in Lennar Homebuilding finished homes and construction in progress, $538.2 million in Lennar Homebuilding land and land under development, $71.6 million in Lennar Homebuilding consolidated inventory not owned, $43.4 million in Lennar Homebuilding investments in unconsolidated entities, $219.6 million in Lennar Homebuilding other assets, $80.0 million in Rialto Investments cash and cash equivalents, $219.4 million in Rialto Investments defeasance cash to retire notes payable, $565.6 million in Rialto Investments loans receivable, net, $115.4 million in Rialto Investments real estate owned, held-for-sale, $428.0 million in Rialto Investments real estate owned, held-and-used, net, $0.6 million in Rialto Investments in unconsolidated entities and $10.6 million in Rialto Investments other assets.

[2] As of May 31, 2012, total liabilities include $742.8 million related to consolidated VIEs as to which neither Lennar Corporation, nor any of its subsidiaries, has any obligations, of which $7.6 million is included in Lennar Homebuilding accounts payable, $36.7 million in Lennar Homebuilding liabilities related to consolidated inventory not owned, $171.9 million in Lennar Homebuilding senior notes and other debts payable, $35.3 million in Lennar Homebuilding other liabilities and $491.3 million in Rialto Investments notes payable and other liabilities.As of November 30, 2011, total liabilities include $902.3 million related to consolidated VIEs as to which neither Lennar Corporation, nor any of its subsidiaries, has any obligations of which $12.7 million is included in Lennar Homebuilding accounts payable, $43.6 million in Lennar Homebuilding liabilities related to consolidated inventory not owned, $175.3 million in Lennar Homebuilding senior notes and other debts payable, $16.7 million in Lennar Homebuilding other liabilities and $654.0 million in Rialto Investments notes payable and other liabilities.

[3] (1)Consists primarily of assets of consolidated VIEs (see Note 8).