Supplemental Financial Information (Condensed Consolidating Statement Of Operations) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Feb. 28, 2015		Feb. 28, 2014
Condensed Financial Statements, Captions [Line Items]
Total revenues	$ 1,644,139	[1]	$ 1,363,095	[1]
Corporate general and administrative	43,654		38,112
Total costs and expenses	1,500,871		1,236,457
Other interest expense	(4,071)		(12,691)
Earnings (loss) before income taxes	176,643		125,876
Provision (benefit) for income taxes	(59,726)		(45,911)
Net earnings (loss) (including net earnings (loss) attributable to noncontrolling interests)	116,917		79,965
Less: Net earnings (loss) attributable to noncontrolling interests	1,954		1,848
Net earnings attributable to Lennar	114,963		78,117
Comprehensive income (loss), net of tax, attributable to Lennar	114,963		78,117
Comprehensive income (loss), net of tax, attributable to noncontrolling interests	1,954		1,848
Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Corporate general and administrative	42,389		36,846
Total costs and expenses	42,389		36,846
Other interest expense	(1,429)		(1,429)
Earnings (loss) before income taxes	(43,587)		(38,275)
Provision (benefit) for income taxes	14,902		14,169
Equity in income (loss) from subsidiaries	143,648		102,223
Net earnings (loss) (including net earnings (loss) attributable to noncontrolling interests)	114,963		78,117
Net earnings attributable to Lennar	114,963		78,117
Comprehensive income (loss), net of tax, attributable to Lennar	114,963		78,117
Comprehensive income (loss), net of tax, attributable to noncontrolling interests	0		0
Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Total revenues	1,516,264		1,270,057
Total costs and expenses	1,349,674		1,115,974
Other interest expense	(4,071)		(12,691)
Earnings (loss) before income taxes	191,160		149,507
Provision (benefit) for income taxes	(64,152)		(55,360)
Equity in income (loss) from subsidiaries	10,116		5,566
Net earnings (loss) (including net earnings (loss) attributable to noncontrolling interests)	137,124		99,713
Net earnings attributable to Lennar	137,124		99,713
Comprehensive income (loss), net of tax, attributable to Lennar	137,124		99,713
Comprehensive income (loss), net of tax, attributable to noncontrolling interests	0		0
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Total revenues	132,856		98,379
Total costs and expenses	112,582		87,539
Earnings (loss) before income taxes	29,070		14,644
Provision (benefit) for income taxes	(10,476)		(4,720)
Net earnings (loss) (including net earnings (loss) attributable to noncontrolling interests)	18,594		9,924
Less: Net earnings (loss) attributable to noncontrolling interests	1,954		1,848
Net earnings attributable to Lennar	16,640		8,076
Comprehensive income (loss), net of tax, attributable to Lennar	16,640		8,076
Comprehensive income (loss), net of tax, attributable to noncontrolling interests	1,954		1,848
Consolidation, Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Total revenues	(4,981)		(5,341)
Corporate general and administrative	1,265		1,266
Total costs and expenses	(3,774)		(3,902)
Other interest expense	1,429		1,429
Equity in income (loss) from subsidiaries	(153,764)		(107,789)
Net earnings (loss) (including net earnings (loss) attributable to noncontrolling interests)	(153,764)		(107,789)
Net earnings attributable to Lennar	(153,764)		(107,789)
Comprehensive income (loss), net of tax, attributable to Lennar	(153,764)		(107,789)
Comprehensive income (loss), net of tax, attributable to noncontrolling interests	0		0
Lennar Homebuilding [Member]
Condensed Financial Statements, Captions [Line Items]
Real estate revenues	1,441,658		1,231,385
Real estate cost and expenses	1,265,175		1,064,355
Equity in earnings (loss) from unconsolidated entities	28,899	[2]	4,990	[2]
Other income (expense), net	6,333		2,889
Lennar Homebuilding [Member] | Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Real estate revenues
Other income (expense), net	231
Lennar Homebuilding [Member] | Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Real estate revenues	1,441,658		1,231,385
Real estate cost and expenses	1,269,493		1,067,352
Equity in earnings (loss) from unconsolidated entities	22,495		5,311
Other income (expense), net	6,324		2,879
Lennar Homebuilding [Member] | Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Real estate revenues	0		0
Real estate cost and expenses	519		(2,457)
Equity in earnings (loss) from unconsolidated entities	6,404		(321)
Lennar Homebuilding [Member] | Consolidation, Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Real estate cost and expenses	(4,837)		(540)
Other income (expense), net	(222)		10
Lennar Financial Services [Member]
Condensed Financial Statements, Captions [Line Items]
Financial Services, Revenues	124,827		76,952
Lennar Financial Services, Cost and expenses	109,300		72,487
Lennar Financial Services [Member] | Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Financial Services, Revenues	38,149		30,869
Lennar Financial Services, Cost and expenses	38,226		34,695
Lennar Financial Services [Member] | Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Financial Services, Revenues	91,659		51,424
Lennar Financial Services, Cost and expenses	71,276		42,420
Lennar Financial Services [Member] | Consolidation, Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Financial Services, Revenues	(4,981)		(5,341)
Lennar Financial Services, Cost and expenses	(202)		(4,628)
Rialto [Member]
Condensed Financial Statements, Captions [Line Items]
Rialto, Revenues	41,197		46,955
Rialto, Cost and expenses	40,781	[3]	47,576	[3]
Equity in earnings (loss) from unconsolidated entities	2,664		5,354
Other income (expense), net	(272)		(1,229)
Less: Net earnings (loss) attributable to noncontrolling interests	(1,814)		935
Rialto [Member] | Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Rialto, Cost and expenses	0
Rialto [Member] | Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Rialto, Revenues	41,197		46,955
Rialto, Cost and expenses	40,781		47,576
Equity in earnings (loss) from unconsolidated entities	2,664		5,354
Other income (expense), net	(272)		(1,229)
Rialto [Member] | Consolidation, Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Rialto, Cost and expenses	0
Other income (expense), net
Lennar Multifamily [Member]
Condensed Financial Statements, Captions [Line Items]
Real estate revenues	36,457		7,803
Real estate cost and expenses	41,961		13,927
Equity in earnings (loss) from unconsolidated entities	(178)		(75)
Lennar Multifamily [Member] | Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Real estate revenues	0		0
Real estate cost and expenses	0		0
Equity in earnings (loss) from unconsolidated entities	0		0
Lennar Multifamily [Member] | Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Real estate revenues	36,457		7,803
Real estate cost and expenses	41,955		13,927
Equity in earnings (loss) from unconsolidated entities	(178)		(75)
Lennar Multifamily [Member] | Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Real estate revenues	0		0
Real estate cost and expenses	6		0
Equity in earnings (loss) from unconsolidated entities	0		0
Lennar Multifamily [Member] | Consolidation, Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Real estate revenues	0		0
Real estate cost and expenses	0		0
Equity in earnings (loss) from unconsolidated entities	$ 0		$ 0

[1] Total revenues were net of sales incentives of $93.6 million ($21,800 per home delivered) for the three months ended February 28, 2015 and $76.5 million ($21,300 per home delivered) for the three months ended February 28, 2014.

[2] For the three months ended February 28, 2014, Lennar Homebuilding equity in earnings from unconsolidated entities included $4.5 million of equity in earnings primarily as a result of a third-party land sale by one unconsolidated entity.

[3] Costs and expenses for the three months ended February 28, 2015 and 2014 included loan impairments of $1.2 million and $6.7 million, respectively, primarily associated with the segment's FDIC loans portfolio (before noncontrolling interests).