Schedule of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	6 Months Ended
May 31, 2017	May 31, 2016	May 31, 2017	May 31, 2016
Numerator:
Net earnings attributable to Lennar	$ 213,645	$ 218,469	$ 251,725	$ 362,549
Less: distributed earnings allocated to nonvested shares	91	86	203	175
Less: undistributed earnings allocated to nonvested shares	1,972	2,119	2,254	3,552
Numerator for basic earnings per share	211,582	216,264	249,268	358,822
Less: net amount attributable to noncontrolling interests in Rialto's Carried Interest Incentive Plan	214	396	552	598
Plus: interest on 3.25% convertible senior notes due 2021	0	1,889	0	3,872
Plus: undistributed earnings allocated to convertible shares	0	2,119	0	3,552
Less: undistributed earnings reallocated to convertible shares	0	1,987	0	3,321
Numerator for diluted earnings per share	$ 211,368	$ 217,889	$ 248,716	$ 362,327
Denominator:
Denominator for basic earnings per share-weighted average common shares outstanding (shares)	232,217	213,601	232,205	211,947
Effect of dilutive securities:
Share-based payments (shares)	2	4	2	4
Convertible senior notes (shares)	0	16,312	0	17,466
Denominator for diluted earnings per share-weighted average common shares outstanding (shares)	232,219	229,917	232,207	229,417
Basic earnings per share (in dollars per share)	$ 0.91	$ 1.01	$ 1.07	$ 1.69
Diluted earnings per share (in dollars per share)	$ 0.91	$ 0.95	$ 1.07	$ 1.58
Senior Notes \| 3.25% convertible senior notes due 2021
Debt Instrument [Line Items]
Interest rate	3.25%		3.25%

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