Stockholders' Equity (Schedule Of Changes In Equity) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Feb. 28, 2015		Feb. 28, 2014
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning	$ 5,251,302	[1]	$ 4,627,470
Net earnings (including net earnings attributable to noncontrolling interests)	116,917		79,965
Employee stock and directors plans	8,274		12,433
Tax benefit from employee stock plans and vesting of restricted stock	35		137
Amortization of restricted stock	10,250		8,739
Cash dividends	(8,208)		(8,169)
Receipts related to noncontrolling interests	1,302		74
Payments related to noncontrolling interests	(57,629)		(32,609)
Non-cash deconsolidations, net	(13,253)		13,117
Balance, ending	5,308,990	[1]	4,701,157
Additional Paid-in Capital [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning	2,239,704		2,721,246
Net earnings (including net earnings attributable to noncontrolling interests)	0		0
Employee stock and directors plans	247		525
Tax benefit from employee stock plans and vesting of restricted stock	35		137
Amortization of restricted stock	10,250		8,739
Cash dividends	0		0
Receipts related to noncontrolling interests	0		0
Payments related to noncontrolling interests	0		0
Non-cash deconsolidations, net	0		0
Balance, ending	2,250,236		2,730,647
Treasury Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning	(93,440)		(628,019)
Net earnings (including net earnings attributable to noncontrolling interests)	0		0
Employee stock and directors plans	8,026		11,907
Tax benefit from employee stock plans and vesting of restricted stock	0		0
Amortization of restricted stock	0		0
Cash dividends	0		0
Receipts related to noncontrolling interests	0		0
Payments related to noncontrolling interests	0		0
Non-cash deconsolidations, net	0		0
Balance, ending	(85,414)		(616,112)
Retained Earnings [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning	2,660,034		2,053,893
Net earnings (including net earnings attributable to noncontrolling interests)	114,963		78,117
Employee stock and directors plans	0		0
Tax benefit from employee stock plans and vesting of restricted stock	0		0
Amortization of restricted stock	0		0
Cash dividends	(8,208)		(8,169)
Receipts related to noncontrolling interests	0		0
Payments related to noncontrolling interests	0		0
Non-cash deconsolidations, net	0		0
Balance, ending	2,766,789		2,123,841
Noncontrolling Interests [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning	424,282		458,569
Net earnings (including net earnings attributable to noncontrolling interests)	1,954		1,848
Employee stock and directors plans	0		0
Tax benefit from employee stock plans and vesting of restricted stock	0		0
Amortization of restricted stock	0		0
Cash dividends	0		0
Receipts related to noncontrolling interests	1,302		74
Payments related to noncontrolling interests	(57,629)		(32,609)
Non-cash deconsolidations, net	(13,253)		13,117
Balance, ending	356,656		440,999
Class A Common Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning	17,424		18,483
Net earnings (including net earnings attributable to noncontrolling interests)	0		0
Employee stock and directors plans	1		1
Tax benefit from employee stock plans and vesting of restricted stock	0		0
Amortization of restricted stock	0		0
Cash dividends	0		0
Receipts related to noncontrolling interests	0		0
Payments related to noncontrolling interests	0		0
Non-cash deconsolidations, net	0		0
Balance, ending	17,425		18,484
Class B Common Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning	3,298		3,298
Net earnings (including net earnings attributable to noncontrolling interests)	0		0
Employee stock and directors plans	0		0
Tax benefit from employee stock plans and vesting of restricted stock	0		0
Amortization of restricted stock	0		0
Cash dividends	0		0
Receipts related to noncontrolling interests	0		0
Payments related to noncontrolling interests	0		0
Non-cash deconsolidations, net	0		0
Balance, ending	$ 3,298		$ 3,298

[1] As of February 28, 2015, total liabilities include $140.6 million related to consolidated VIEs as to which there was no recourse against the Company, of which $7.4 million is included in Lennar Homebuilding accounts payable, $43.1 million in Lennar Homebuilding liabilities related to consolidated inventory not owned, $61.5 million in Lennar Homebuilding senior notes and other debts payable, $14.9 million in Lennar Homebuilding other liabilities and $13.8 million in Rialto liabilities.As of November 30, 2014, total liabilities include $149.8 million related to consolidated VIEs as to which there was no recourse against the Company, of which $6.8 million is included in Lennar Homebuilding accounts payable, $45.0 million in Lennar Homebuilding liabilities related to consolidated inventory not owned, $61.6 million in Lennar Homebuilding senior notes and other debts payable, $14.8 million in Lennar Homebuilding other liabilities and $21.5 million in Rialto liabilities.