Lennar Homebuilding Investments In Unconsolidated Entities (Total Debt Of Unconsolidated Entities) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	May 31, 2012	Nov. 30, 2011
Schedule of Equity Method Investments [Line Items]
Net Recourse Exposure	$ 48,719	$ 74,905
Joint And Several Reimbursement Agreements With Companys Partners	(22,820)	(33,795)
The Company's maximum recourse exposure	71,539	108,700
Lennar Homebuilding [Member]
Schedule of Equity Method Investments [Line Items]
Net Recourse Exposure	48,719	74,905
Joint And Several Reimbursement Agreements With Companys Partners	22,820	33,795
The Company's maximum recourse exposure	71,539	108,700
Non-recourse bank debt and other debt (partner's share of several recourse)	105,156	149,937
Non-recourse land seller debt or other debt	26,343	26,391
Non-recourse debt with completion guarantees	490,250	441,770
Non-recourse debt without completion guarantees	175,431	233,829
Non-recourse debt to the Company	797,180	851,927
Total debt	$ 868,719	$ 960,627
The Company's maximum recourse exposure as a % of total JV debt	8.00%	11.00%