Schedule of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
Feb. 28, 2017	Feb. 29, 2016
Numerator:
Net earnings attributable to Lennar	$ 38,080	$ 144,080
Less: distributed earnings allocated to nonvested shares	112	89
Less: undistributed earnings allocated to nonvested shares	278	1,420
Numerator for basic earnings per share	37,690	142,571
Less: net amount attributable to noncontrolling interests in Rialto's Carried Interest Incentive Plan	339	202
Plus: interest on 3.25% convertible senior notes due 2021	0	1,982
Plus: undistributed earnings allocated to convertible shares	0	1,420
Less: undistributed earnings reallocated to convertible shares	0	1,325
Numerator for diluted earnings per share	$ 37,351	$ 144,446
Denominator:
Denominator for basic earnings per share-weighted average common shares outstanding (shares)	232,194	210,292
Effect of dilutive securities:
Share-based payments (shares)	2	4
Convertible senior notes (shares)	0	18,620
Denominator for diluted earnings per share-weighted average common shares outstanding (shares)	232,196	228,916
Basic earnings per share (in dollars per share)	$ 0.16	$ 0.68
Diluted earnings per share (in dollars per share)	$ 0.16	$ 0.63
Senior Notes \| 3.25% convertible senior notes due 2021
Debt Instrument [Line Items]
Interest rate	3.25%

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