Schedule of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended				6 Months Ended
	Nov. 27, 2017	May 31, 2018		May 31, 2017		May 31, 2018	May 31, 2017
Numerator:
Net earnings attributable to Lennar		$ 310,257		$ 213,645		$ 446,472	$ 251,725
Less: distributed earnings allocated to nonvested shares		99		91		214	203
Less: undistributed earnings allocated to nonvested shares		2,557		1,972		3,929	2,254
Numerator for basic earnings per share		307,601		211,582		442,329	249,268
Less: net amount attributable to noncontrolling interests in Rialto's Carried Interest Incentive Plan		240		214		449	552
Plus: interest on convertible senior notes		54		0		80	0
Plus: undistributed earnings allocated to convertible shares		12		0		15	0
Numerator for diluted earnings per share		$ 307,427		$ 211,368		$ 441,975	$ 248,716
Denominator:
Denominator for basic earnings per share-weighted average common shares outstanding (shares)		325,259,000		236,875,000		289,462,000	236,863,000
Effect of dilutive securities:
Share-based payments (shares)		92,000		2,000		73,000	2,000
Convertible senior notes (shares)		1,467,000		0		1,098,000	0
Denominator for diluted earnings per share-weighted average common shares outstanding (shares)		326,818,000		236,877,000		290,633,000	236,865,000
Basic earnings per share (in dollars per share)		$ 0.95	[1]	$ 0.89	[1]	$ 1.53	$ 1.05
Diluted earnings per share (in dollars per share)		$ 0.94	[1]	$ 0.89	[1]	$ 1.52	$ 1.05
Class B Common Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock dividends (in shares)	4,700,000
Options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount		0		0		0	0

[1] Basic and diluted average shares outstanding and earnings per share calculations for the three and six months ended May 31, 2017 have been adjusted to reflect 4.7 million of Class B shares distributed in the stock dividend on November 27, 2017.