Schedule of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands			3 Months Ended
		Nov. 27, 2017	Feb. 28, 2018	Feb. 28, 2017
Numerator:
Net earnings attributable to Lennar			$ 136,215	$ 38,080
Less: distributed earnings allocated to nonvested shares			115	112
Less: undistributed earnings allocated to nonvested shares			1,282	273
Numerator for basic earnings per share			134,818	37,695
Less: net amount attributable to noncontrolling interests in Rialto's Carried Interest Incentive Plan			210	339
Plus: interest on convertible senior notes			26	0
Plus: undistributed earnings allocated to convertible shares			1	0
Numerator for diluted earnings per share			$ 134,635	$ 37,356
Denominator:
Denominator for basic earnings per share-weighted average common shares outstanding (shares)			253,665	236,852
Effect of dilutive securities:
Share-based payments (shares)			55	2
Convertible senior notes (shares)			728	0
Denominator for diluted earnings per share-weighted average common shares outstanding (shares)			254,448	236,854
Basic earnings per share (in dollars per share)	[1]		$ 0.53	$ 0.16
Diluted earnings per share (in dollars per share)	[1]		$ 0.53	$ 0.16
Class B Common Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock dividends (in shares)		4,700

[1] Basic and diluted average shares outstanding and earnings per share calculations for the three months ended February 28, 2017 have been adjusted to reflect 4.7 million of Class B shares distributed in the stock dividend on November 27, 2017.