Supplemental Financial Information (Condensed Consolidating Statement of Operations and Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2016	May 31, 2015	May 31, 2016	May 31, 2015
Condensed Financial Statements, Captions [Line Items]
Revenues	$ 2,745,815	$ 2,392,604	$ 4,739,479	$ 4,036,743
Corporate general and administrative	55,802	50,207	103,470	93,861
Total costs and expenses	2,423,362	2,121,287	4,238,187	3,622,158
Equity in earnings (loss) from unconsolidated entities			35,422	44,785
Other interest expense	(1,193)	(3,818)	(2,350)	(7,889)
Earnings (loss) before income taxes	327,839	279,810	529,532	456,453
Benefit (provision) for income taxes	(103,801)	(95,226)	(160,042)	(154,952)
Equity in earnings from subsidiaries	0	0	0	0
Net earnings (including net earnings attributable to noncontrolling interests)	224,038	184,584	369,490	301,501
Less: Net earnings attributable to noncontrolling interests	5,569	1,568	6,941	3,522
Net earnings attributable to Lennar	218,469	183,016	362,549	297,979
Other comprehensive income, net of tax:
Net unrealized gain (loss) on securities available-for-sale	919	(94)	482	106
Reclassification adjustments for gains included in earnings, net of tax	(6)	(23)	(6)	(23)
Other comprehensive income attributable to Lennar	219,382	182,899	363,025	298,062
Other comprehensive income attributable to noncontrolling interests	5,569	1,568	6,941	3,522
Lennar Homebuilding
Condensed Financial Statements, Captions [Line Items]
Revenues	2,450,885	2,115,812	4,237,366	3,557,470
Cost and expenses	2,112,288	1,825,482	3,680,493	3,090,657
Equity in earnings (loss) from unconsolidated entities	(9,633)	6,494	(6,633)	35,393
Other income (expense), net	14,925	(217)	15,444	6,116
Lennar Financial Services
Condensed Financial Statements, Captions [Line Items]
Revenues	175,940	169,885	299,896	294,712
Cost and expenses	131,852	130,832	240,877	240,132
Rialto
Condensed Financial Statements, Captions [Line Items]
Revenues	44,838	67,931	88,549	109,128
Cost and expenses	50,203	67,506	93,110	108,287
Equity in earnings (loss) from unconsolidated entities	6,864	7,328	8,361	9,992
Other income (expense), net	(19,585)	(872)	(20,276)	(1,144)
Less: Net earnings attributable to noncontrolling interests	(4,300)	(700)	(4,600)	(2,500)
Lennar Multifamily
Condensed Financial Statements, Captions [Line Items]
Revenues	74,152	38,976	113,668	75,433
Cost and expenses	73,217	47,260	120,237	89,221
Equity in earnings (loss) from unconsolidated entities	14,008	(422)	33,694	(600)
Reportable Legal Entities | Lennar Corporation
Condensed Financial Statements, Captions [Line Items]
Revenues	0	0	0	0
Corporate general and administrative	54,282	48,941	100,430	91,330
Total costs and expenses	54,282	48,941	100,430	91,330
Other interest expense	(1,461)	(1,460)	(2,905)	(2,889)
Earnings (loss) before income taxes	(55,014)	(50,238)	(101,436)	(93,825)
Benefit (provision) for income taxes	18,025	17,196	31,060	32,098
Equity in earnings from subsidiaries	255,458	219,792	432,925	359,706
Net earnings (including net earnings attributable to noncontrolling interests)	218,469	186,750	362,549	297,979
Less: Net earnings attributable to noncontrolling interests	0	0	0	0
Net earnings attributable to Lennar	218,469	186,750	362,549	297,979
Other comprehensive income, net of tax:
Net unrealized gain (loss) on securities available-for-sale	0	0	0	0
Reclassification adjustments for gains included in earnings, net of tax	0	0	0	0
Other comprehensive income attributable to Lennar	218,469	186,750	362,549	297,979
Other comprehensive income attributable to noncontrolling interests	0	0	0	0
Reportable Legal Entities | Lennar Corporation | Lennar Homebuilding
Condensed Financial Statements, Captions [Line Items]
Revenues	0	0	0	0
Cost and expenses	0	0	0	0
Equity in earnings (loss) from unconsolidated entities	0	0	0	0
Other income (expense), net	729	163	1,899	394
Reportable Legal Entities | Lennar Corporation | Lennar Financial Services
Condensed Financial Statements, Captions [Line Items]
Revenues	0	0	0	0
Cost and expenses	0	0	0	0
Reportable Legal Entities | Lennar Corporation | Rialto
Condensed Financial Statements, Captions [Line Items]
Revenues	0	0	0	0
Cost and expenses	0	0	0	0
Equity in earnings (loss) from unconsolidated entities	0	0	0	0
Other income (expense), net	0	0	0	0
Reportable Legal Entities | Lennar Corporation | Lennar Multifamily
Condensed Financial Statements, Captions [Line Items]
Revenues	0	0	0	0
Cost and expenses	0	0	0	0
Equity in earnings (loss) from unconsolidated entities	0	0	0	0
Reportable Legal Entities | Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Revenues	2,504,195	2,168,634	4,331,286	3,648,441
Corporate general and administrative	254	0	509	0
Total costs and expenses	2,174,870	1,856,963	3,773,103	3,164,682
Other interest expense	(1,193)	(3,818)	(2,350)	(7,889)
Earnings (loss) before income taxes	341,088	313,022	564,122	509,858
Benefit (provision) for income taxes	(108,653)	(105,552)	(170,363)	(171,646)
Equity in earnings from subsidiaries	15,458	6,236	19,996	20,086
Net earnings (including net earnings attributable to noncontrolling interests)	247,893	213,706	413,755	358,298
Less: Net earnings attributable to noncontrolling interests	0	0	0	0
Net earnings attributable to Lennar	247,893	213,706	413,755	358,298
Other comprehensive income, net of tax:
Net unrealized gain (loss) on securities available-for-sale	0	0	0	0
Reclassification adjustments for gains included in earnings, net of tax	0	0	0	0
Other comprehensive income attributable to Lennar	247,893	213,706	413,755	358,298
Other comprehensive income attributable to noncontrolling interests	0	0	0	0
Reportable Legal Entities | Guarantor Subsidiaries | Lennar Homebuilding
Condensed Financial Statements, Captions [Line Items]
Revenues	2,450,885	2,115,812	4,237,366	3,557,470
Cost and expenses	2,126,412	1,807,439	3,682,578	3,076,932
Equity in earnings (loss) from unconsolidated entities	(10,860)	3,892	(7,011)	26,387
Other income (expense), net	23,816	1,277	15,300	7,601
Reportable Legal Entities | Guarantor Subsidiaries | Lennar Financial Services
Condensed Financial Statements, Captions [Line Items]
Revenues	53,310	52,822	93,920	90,971
Cost and expenses	48,204	49,524	90,016	87,750
Reportable Legal Entities | Guarantor Subsidiaries | Rialto
Condensed Financial Statements, Captions [Line Items]
Revenues	0	0	0	0
Cost and expenses	0	0	0	0
Equity in earnings (loss) from unconsolidated entities	0	0	0	0
Other income (expense), net	0	0	0	0
Reportable Legal Entities | Guarantor Subsidiaries | Lennar Multifamily
Condensed Financial Statements, Captions [Line Items]
Revenues	0	0	0	0
Cost and expenses	0	0	0	0
Equity in earnings (loss) from unconsolidated entities	0	0	0	0
Reportable Legal Entities | Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Revenues	246,651	228,987	418,233	398,300
Corporate general and administrative	0	0	0	0
Total costs and expenses	198,501	219,093	373,670	373,630
Other interest expense	0	0	0	0
Earnings (loss) before income taxes	41,765	17,026	66,846	40,420
Benefit (provision) for income taxes	(13,173)	(6,870)	(20,739)	(15,404)
Equity in earnings from subsidiaries	0	0	0	0
Net earnings (including net earnings attributable to noncontrolling interests)	28,592	10,156	46,107	25,016
Less: Net earnings attributable to noncontrolling interests	5,569	1,568	6,941	3,522
Net earnings attributable to Lennar	23,023	8,588	39,166	21,494
Other comprehensive income, net of tax:
Net unrealized gain (loss) on securities available-for-sale	919	(94)	482	106
Reclassification adjustments for gains included in earnings, net of tax	(6)	(23)	(6)	(23)
Other comprehensive income attributable to Lennar	23,936	8,471	39,642	21,577
Other comprehensive income attributable to noncontrolling interests	5,569	1,568	6,941	3,522
Reportable Legal Entities | Non-Guarantor Subsidiaries | Lennar Homebuilding
Condensed Financial Statements, Captions [Line Items]
Revenues	0	0	0	0
Cost and expenses	(6,231)	19,511	8,632	20,030
Equity in earnings (loss) from unconsolidated entities	1,227	2,602	378	9,006
Other income (expense), net	(8,899)	(1,504)	126	(1,504)
Reportable Legal Entities | Non-Guarantor Subsidiaries | Lennar Financial Services
Condensed Financial Statements, Captions [Line Items]
Revenues	127,642	122,075	215,984	213,734
Cost and expenses	81,255	84,816	151,324	156,092
Reportable Legal Entities | Non-Guarantor Subsidiaries | Rialto
Condensed Financial Statements, Captions [Line Items]
Revenues	44,838	67,931	88,549	109,128
Cost and expenses	50,260	67,506	93,477	108,287
Equity in earnings (loss) from unconsolidated entities	6,864	7,328	8,361	9,992
Other income (expense), net	(19,585)	(872)	(20,276)	(1,144)
Reportable Legal Entities | Non-Guarantor Subsidiaries | Lennar Multifamily
Condensed Financial Statements, Captions [Line Items]
Revenues	74,171	38,981	113,700	75,438
Cost and expenses	73,217	47,260	120,237	89,221
Equity in earnings (loss) from unconsolidated entities	14,008	(422)	33,694	(600)
Consolidating Adjustments
Condensed Financial Statements, Captions [Line Items]
Revenues	(5,031)	(5,017)	(10,040)	(9,998)
Corporate general and administrative	1,266	1,266	2,531	2,531
Total costs and expenses	(4,291)	(3,710)	(9,016)	(7,484)
Other interest expense	1,461	1,460	2,905	2,889
Earnings (loss) before income taxes	0	0	0	0
Benefit (provision) for income taxes	0	0	0	0
Equity in earnings from subsidiaries	(270,916)	(226,028)	(452,921)	(379,792)
Net earnings (including net earnings attributable to noncontrolling interests)	(270,916)	(226,028)	(452,921)	(379,792)
Less: Net earnings attributable to noncontrolling interests	0	0	0	0
Net earnings attributable to Lennar	(270,916)	(226,028)	(452,921)	(379,792)
Other comprehensive income, net of tax:
Net unrealized gain (loss) on securities available-for-sale	0	0	0	0
Reclassification adjustments for gains included in earnings, net of tax	0	0	0	0
Other comprehensive income attributable to Lennar	(270,916)	(226,028)	(452,921)	(379,792)
Other comprehensive income attributable to noncontrolling interests	0	0	0	0
Consolidating Adjustments | Lennar Homebuilding
Condensed Financial Statements, Captions [Line Items]
Revenues	0	0	0	0
Cost and expenses	(7,893)	(1,468)	(10,717)	(6,305)
Equity in earnings (loss) from unconsolidated entities	0	0	0	0
Other income (expense), net	(721)	(153)	(1,881)	(375)
Consolidating Adjustments | Lennar Financial Services
Condensed Financial Statements, Captions [Line Items]
Revenues	(5,012)	(5,012)	(10,008)	(9,993)
Cost and expenses	2,393	(3,508)	(463)	(3,710)
Consolidating Adjustments | Rialto
Condensed Financial Statements, Captions [Line Items]
Revenues	0	0	0	0
Cost and expenses	(57)	0	(367)	0
Equity in earnings (loss) from unconsolidated entities	0	0	0	0
Other income (expense), net	0	0	0	0
Consolidating Adjustments | Lennar Multifamily
Condensed Financial Statements, Captions [Line Items]
Revenues	(19)	(5)	(32)	(5)
Cost and expenses	0	0	0	0
Equity in earnings (loss) from unconsolidated entities	$ 0	$ 0	$ 0	$ 0