Lennar Financial Services Segment (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended			6 Months Ended
	May 31, 2012 Lennar Financial Services [Member]	May 31, 2011 Lennar Financial Services [Member]	May 31, 2012 Lennar Financial Services [Member]	May 31, 2011 Lennar Financial Services [Member]	Nov. 30, 2011 Lennar Financial Services [Member]	May 31, 2012 Warehouse Repurchase Facility 1 [Member] Lennar Financial Services [Member]	May 31, 2012 Warehouse Repurchase Facility 2 [Member] Lennar Financial Services [Member]	Jun. 15, 2012 Warehouse Repurchase Facility 3 [Member]
Segment Reporting Information [Line Items]
Maximum aggregate commitment	$ 275,000		$ 275,000			$ 100,000	$ 175,000	$ 75,000
Additional uncommitted amount						52,000	52,000	75,000
Maturity date						February 2013	July 2012
Borrowings under the facilities	263,500		263,500		410,100
Collateralized mortgage loans and receivable loans sold to investors but not yet paid, principal balances	275,600		275,600		431,600
Impaired financing receivable, unpaid principal balance	8,200		8,200		8,800
Impaired financing receivable, recorded investment	3,200		3,200		3,700
Impaired financing receivable, related allowance	5,000		5,000		5,100
Impaired financing receivable, average recorded investment	$ 3,300	$ 4,000	$ 3,500	$ 4,200