Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Feb. 29, 2016	Feb. 28, 2015	Nov. 30, 2011
Earnings Per Share [Line Items]
Net earnings attributable to Lennar	$ 144,080	$ 114,963
Less: distributed earnings allocated to nonvested shares	89	91
Less: undistributed earnings allocated to nonvested shares	1,420	1,184
Numerator for basic earnings per share	142,571	113,688
Less: net amount attributable to noncontrolling interests in Rialto's Carried Interest Incentive Plan	202	0
Plus: interest on 3.25% convertible senior notes due 2021	1,982	1,982
Plus: undistributed earnings allocated to convertible shares	1,420	1,184
Less: undistributed earnings reallocated to convertible shares	1,325	1,064
Numerator for diluted earnings per share	$ 144,446	$ 115,790
Denominator for basic earnings per share-weighted average common shares outstanding (shares)	210,292	202,930
Shared based payments (shares)	4	11
Convertible senior notes (shares)	18,620	27,375
Denominator for diluted earnings per share-weighted average common shares outstanding (shares)	228,916	230,316
Basic earnings per share (in dollars per share)	$ 0.68	$ 0.56
Diluted earnings per share (in dollars per share)	$ 0.63	$ 0.50
Options to purchase outstanding and anti-dilutive shares	0	0
3.25% Convertible Senior Notes Due 2021 [Member]
Earnings Per Share [Line Items]
Interest rate	3.25%		3.25%