Operating And Reporting Segments (Disclosure Of Financial Information Relating To Company's Operations) (Details) - USD ($)		3 Months Ended										12 Months Ended
		Nov. 30, 2015		Aug. 31, 2015	May. 31, 2015	Feb. 28, 2015	Nov. 30, 2014		Aug. 31, 2014	May. 31, 2014	Feb. 28, 2014	Nov. 30, 2015		Nov. 30, 2014		Nov. 30, 2013
Segment Reporting Information [Line Items]
Total assets		$ 14,419,509,000	[1]				$ 12,923,151,000	[1]				$ 14,419,509,000	[1]	$ 12,923,151,000	[1]	$ 11,239,885,000
Total revenues		2,945,567,000		$ 2,491,698,000	$ 2,392,604,000	$ 1,644,139,000	2,583,938,000		$ 2,014,034,000	$ 1,818,745,000	$ 1,363,095,000	9,474,008,000		7,779,812,000		5,935,095,000
Total operating earnings												1,425,860,000		1,146,945,000		828,001,000
Corporate general and administrative expenses												216,244,000		177,161,000		146,060,000
Earnings before income taxes		432,505,000		$ 320,658,000	$ 279,810,000	$ 176,643,000	377,943,000		$ 262,335,000	$ 203,630,000	$ 125,876,000	1,209,616,000		969,784,000		681,941,000
Sales incentives												518,063,000		449,157,000		373,088,000
Sales incentives per home delivered												21,400		21,400		20,500
Equity in earnings (loss) from unconsolidated entities												105,184,000		73,376,000		45,885,000
Servicer Provider [Member]
Segment Reporting Information [Line Items]
Goodwill		5,396,000					5,396,000					5,396,000		5,396,000		0
Homebuilding East [Member]
Segment Reporting Information [Line Items]
Total assets		2,423,389,000					2,323,978,000					2,423,389,000		2,323,978,000		1,890,138,000
Investments in unconsolidated entities		7,852,000					10,620,000					7,852,000		10,620,000		19,569,000
Real estate revenues												2,761,824,000		2,247,681,000		1,842,162,000
Total operating earnings												409,185,000		340,108,000		251,117,000
Equity in earnings (loss) from unconsolidated entities												532,000		2,254,000		678,000
Homebuilding Central [Member]
Segment Reporting Information [Line Items]
Total assets		1,421,195,000					1,233,991,000					1,421,195,000		1,233,991,000		963,815,000
Investments in unconsolidated entities		35,850,000					35,772,000					35,850,000		35,772,000		56,136,000
Real estate revenues												1,213,600,000		936,940,000		743,475,000
Total operating earnings												112,752,000		75,585,000		55,203,000
Equity in earnings (loss) from unconsolidated entities												57,000		(131,000)		(87,000)
Homebuilding West [Member]
Segment Reporting Information [Line Items]
Total assets		4,157,616,000					3,454,611,000					4,157,616,000		3,454,611,000		3,108,395,000
Investments in unconsolidated entities		649,170,000					564,643,000					649,170,000		564,643,000		600,622,000
Real estate revenues												2,365,519,000		1,796,375,000		1,161,332,000
Total operating earnings												435,818,000		292,719,000		211,155,000
Equity in earnings (loss) from unconsolidated entities												62,960,000		(1,647,000)		22,039,000
Homebuilding Southeast Florida [Member]
Segment Reporting Information [Line Items]
Total assets		717,215,000					722,706,000					717,215,000		722,706,000		757,125,000
Investments in unconsolidated entities		32,721,000					32,670,000					32,721,000		32,670,000		36,595,000
Real estate revenues												801,854,000		692,898,000		502,175,000
Total operating earnings												171,678,000		161,963,000		106,889,000
Equity in earnings (loss) from unconsolidated entities												(414,000)		(576,000)		(152,000)
Homebuilding Houston [Member]
Segment Reporting Information [Line Items]
Total assets		481,386,000					398,538,000					481,386,000		398,538,000		307,864,000
Investments in unconsolidated entities		75,000					162,000					75,000		162,000		2,074,000
Real estate revenues												730,712,000		713,113,000		641,161,000
Total operating earnings												95,946,000		107,622,000		80,819,000
Equity in earnings (loss) from unconsolidated entities												18,000		121,000		2,079,000
Homebuilding Other [Member]
Segment Reporting Information [Line Items]
Total assets		858,000,000					880,912,000					858,000,000		880,912,000		808,496,000
Investments in unconsolidated entities		15,883,000					12,970,000					15,883,000		12,970,000		1,953,000
Real estate revenues												593,436,000		638,123,000		464,642,000
Total operating earnings												46,262,000		55,724,000		27,892,000
Equity in earnings (loss) from unconsolidated entities												220,000		(376,000)		(754,000)
Lennar Homebuilding [Member]
Segment Reporting Information [Line Items]
Total assets	[1]	11,072,820,000					10,026,101,000					11,072,820,000		10,026,101,000
Investments in unconsolidated entities		741,551,000	[1]				656,837,000	[1]				741,551,000	[1]	656,837,000	[1]	716,949,000
Real estate revenues												8,466,945,000		7,025,130,000		5,354,947,000
Equity in earnings (loss) from unconsolidated entities												63,373,000		(355,000)		23,803,000
Rialto [Member]
Segment Reporting Information [Line Items]
Total assets		1,505,500,000	[1]				1,451,983,000	[1]				1,505,500,000	[1]	1,451,983,000	[1]	1,474,591,000
Investments in unconsolidated entities		224,869,000					175,700,000					224,869,000		175,700,000		154,573,000
Rialto, revenues												221,923,000		230,521,000		138,060,000
Total operating earnings												33,595,000		44,079,000		26,128,000
Equity in earnings (loss) from unconsolidated entities												22,293,000		59,277,000		22,353,000
Lennar Financial Services [Member]
Segment Reporting Information [Line Items]
Total assets		1,425,837,000	[1]				1,177,053,000	[1]				1,425,837,000	[1]	1,177,053,000	[1]	796,710,000
Goodwill		38,854,000					38,854,000					38,854,000		38,854,000		34,046,000
Financial services, revenues												620,527,000		454,381,000		427,342,000
Total operating earnings												127,795,000		80,138,000		85,786,000
Lennar Multifamily [Member]
Segment Reporting Information [Line Items]
Total assets		415,352,000	[1]				268,014,000	[1]				415,352,000	[1]	268,014,000	[1]	147,089,000
Investments in unconsolidated entities		250,876,000					105,674,000					250,876,000		105,674,000		46,301,000
Real estate revenues												164,613,000		69,780,000		14,746,000
Total operating earnings												(7,171,000)		(10,993,000)		(16,988,000)
Equity in earnings (loss) from unconsolidated entities												19,518,000		14,454,000		(271,000)
Corporate And Unallocated [Member]
Segment Reporting Information [Line Items]
Total assets		$ 1,014,019,000					$ 1,011,365,000					1,014,019,000		1,011,365,000		985,662,000
Homebuilding West Joint Venture [Member] | Homebuilding West [Member]
Segment Reporting Information [Line Items]
Equity in earnings (loss) from unconsolidated entities												82,794,000		$ 4,680,000		$ 19,769,000
Gain (loss) from sale of operating property												$ 6,500,000

[1] Under certain provisions of Accounting Standards Codification (“ASC”) Topic 810, Consolidations, (“ASC 810”) the Company is required to separately disclose on its consolidated balance sheets the assets of consolidated variable interest entities (“VIEs”) that are owned by the consolidated VIEs and liabilities of consolidated VIEs as to which there is no recourse against the Company.As of November 30, 2015, total assets include $652.3 million related to consolidated VIEs of which $9.6 million is included in Lennar Homebuilding cash and cash equivalents, $0.5 million in Lennar Homebuilding receivables, net, $3.9 million in Lennar Homebuilding finished homes and construction in progress, $154.2 million in Lennar Homebuilding land and land under development, $58.9 million in Lennar Homebuilding consolidated inventory not owned, $35.8 million in Lennar Homebuilding investments in unconsolidated entities, $22.7 million in Lennar Homebuilding other assets, $355.2 million in Rialto assets and $11.5 million in Lennar Multifamily assets.As of November 30, 2014, total assets include $929.1 million related to consolidated VIEs of which $11.7 million is included in Lennar Homebuilding cash and cash equivalents, $0.3 million in restricted cash, $0.2 million in Lennar Homebuilding receivables, net, $0.2 million in Lennar Homebuilding finished homes and construction in progress, $208.2 million in Lennar Homebuilding land and land under development, $52.5 million in Lennar Homebuilding consolidated inventory not owned, $23.9 million in Lennar Homebuilding investments in unconsolidated entities, $104.6 million in Lennar Homebuilding other assets, $508.4 million in Rialto assets and $19.2 million in Lennar Multifamily assets.