Equity And Comprehensive Earnings (Loss) (Schedule Of Changes In Equity) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			6 Months Ended
	May 31, 2012		May 31, 2011	May 31, 2012		May 31, 2011
Balance, beginning				$ 3,303,525	[1]	$ 3,194,383
Net earnings (including net earnings (loss) attributable to noncontrolling interests)	454,424		24,847	462,401		63,573
Employee stock and directors plans				14,239		7,439
Amortization of restricted stock	6,856		3,844	14,132		9,212
Cash dividends				(15,132)		(14,946)
Receipts related to noncontrolling interests				888		5,222
Payments related to noncontrolling interests				(145)		(6,164)
Noncontrolling Interests Non Cash Consolidations						529
Balance, ending	3,779,908	[1]	3,259,248	3,779,908	[1]	3,259,248
Additional Paid In Capital [Member]
Balance, beginning				2,341,079		2,310,339
Net earnings (including net earnings (loss) attributable to noncontrolling interests)				0		0
Employee stock and directors plans				8,659		7,417
Amortization of restricted stock				14,132		9,212
Cash dividends				0		0
Receipts related to noncontrolling interests				0		0
Payments related to noncontrolling interests				0		0
Noncontrolling Interests Non Cash Consolidations						0
Balance, ending	2,363,870		2,326,968	2,363,870		2,326,968
Treasury Stock [Member]
Balance, beginning				(621,220)		(615,496)
Net earnings (including net earnings (loss) attributable to noncontrolling interests)				0		0
Employee stock and directors plans				5,522		(10)
Amortization of restricted stock				0		0
Cash dividends				0		0
Receipts related to noncontrolling interests				0		0
Payments related to noncontrolling interests				0		0
Noncontrolling Interests Non Cash Consolidations						0
Balance, ending	(615,698)		(615,506)	(615,698)		(615,506)
Retained Earnings [Member]
Balance, beginning				956,401		894,108
Net earnings (including net earnings (loss) attributable to noncontrolling interests)				467,671		41,191
Employee stock and directors plans				0		0
Amortization of restricted stock				0		0
Cash dividends						(14,946)
Receipts related to noncontrolling interests				0		0
Payments related to noncontrolling interests				0		0
Noncontrolling Interests Non Cash Consolidations						0
Balance, ending	1,408,940		920,353	1,408,940		920,353
Noncontrolling Interests [Member]
Balance, beginning				607,057		585,434
Net earnings (including net earnings (loss) attributable to noncontrolling interests)				(5,270)		22,382
Employee stock and directors plans				0		0
Amortization of restricted stock				0		0
Cash dividends				0		0
Receipts related to noncontrolling interests						5,222
Payments related to noncontrolling interests						(6,164)
Noncontrolling Interests Non Cash Consolidations						529
Balance, ending	602,530		607,403	602,530		607,403
Class A Common Stock [Member]
Balance, beginning				16,910		16,701
Net earnings (including net earnings (loss) attributable to noncontrolling interests)				0		0
Employee stock and directors plans				58		31
Amortization of restricted stock				0		0
Cash dividends				0		0
Receipts related to noncontrolling interests				0		0
Payments related to noncontrolling interests				0		0
Noncontrolling Interests Non Cash Consolidations						0
Balance, ending	16,968		16,732	16,968		16,732
Class B Common Stock [Member]
Balance, beginning				3,298		3,297
Net earnings (including net earnings (loss) attributable to noncontrolling interests)				0		0
Employee stock and directors plans				0		1
Amortization of restricted stock				0		0
Cash dividends				0		0
Receipts related to noncontrolling interests				0		0
Payments related to noncontrolling interests						0
Noncontrolling Interests Non Cash Consolidations						0
Balance, ending	$ 3,298		$ 3,298	$ 3,298		$ 3,298

[1] As of May 31, 2012, total liabilities include $742.8 million related to consolidated VIEs as to which neither Lennar Corporation, nor any of its subsidiaries, has any obligations, of which $7.6 million is included in Lennar Homebuilding accounts payable, $36.7 million in Lennar Homebuilding liabilities related to consolidated inventory not owned, $171.9 million in Lennar Homebuilding senior notes and other debts payable, $35.3 million in Lennar Homebuilding other liabilities and $491.3 million in Rialto Investments notes payable and other liabilities.As of November 30, 2011, total liabilities include $902.3 million related to consolidated VIEs as to which neither Lennar Corporation, nor any of its subsidiaries, has any obligations of which $12.7 million is included in Lennar Homebuilding accounts payable, $43.6 million in Lennar Homebuilding liabilities related to consolidated inventory not owned, $175.3 million in Lennar Homebuilding senior notes and other debts payable, $16.7 million in Lennar Homebuilding other liabilities and $654.0 million in Rialto Investments notes payable and other liabilities.