Lennar Financial Services Segment (Schedule Of Loan Origination Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	May 31, 2012	May 31, 2011	May 31, 2012	May 31, 2011
Lennar Financial Services Segment [Abstract]
Loan origination liabilities, beginning of period	$ 5,961	$ 9,872	$ 6,050	$ 9,872
Provision for losses during the period	122	59	215	129
Adjustments to pre-existing provisions for losses from changes in estimates	245	20	253	(50)
Payments/settlements	(130)	0	(320)	0
Loan origination liabilities, end of period	$ 6,198	$ 9,951	$ 6,198	$ 9,951