Lennar Homebuilding Investments In Unconsolidated Entities (Summary Of Net Recourse Exposure To Unconsolidated Entities) (Details) (USD $) In Thousands, unless otherwise specified	May 31, 2012	Nov. 30, 2011
Equity Method Investments and Joint Ventures [Abstract]
Several recourse debt - repayment	$ 44,889	$ 62,408
Joint and several recourse debt - repayment	26,650	46,292
The Company's maximum recourse exposure	71,539	108,700
Less: joint and several reimbursement agreements with the Company's partners	(22,820)	(33,795)
The Company's net recourse exposure	$ 48,719	$ 74,905