Variable Interest Entities (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
	Feb. 29, 2016	Nov. 30, 2015
Variable Interest Entity [Line Items]
Consolidated VIEs assets	$ 582,074	$ 652,253
Total consolidated VIEs liabilities	60,276	84,354
Decrease in consolidated inventory and related liabilities	38,561
Non-refundable option deposits and pre-acquisition costs	77,745	89,204
Lennar Homebuilding [Member]
Variable Interest Entity [Line Items]
Consolidated VIEs assets	14,923
Commitments [Member] | Lennar Homebuilding [Member]
Variable Interest Entity [Line Items]
Maximum Exposure to Loss	15,439	8,278
Commitments [Member] | Lennar Multifamily [Member]
Variable Interest Entity [Line Items]
Maximum Exposure to Loss	370,254	378,260
Lennar Multifamily Unconsolidated VIE [Member]
Variable Interest Entity [Line Items]
Letters of credit outstanding, amount	30,030	30,020
Variable interest entities [Member]
Variable Interest Entity [Line Items]
Letters of credit outstanding, amount	$ 72,154	$ 70,425