Stockholders' Equity (Schedule Of Changes In Equity) (Details) - USD ($) $ in Thousands	3 Months Ended
	Feb. 29, 2016		Feb. 28, 2015
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning	$ 5,950,072	[1]	$ 5,251,302
Net earnings (including net earnings attributable to noncontrolling interests)	145,452		116,917
Employee stock and directors plans	(194)		8,074
Conversions and exchanges of convertible senior notes to Class A common stock	0
Tax benefit from employee stock plans, vesting of restricted stock and conversion of convertible senior notes	25,131		35
Amortization of restricted stock	11,142		10,250
Cash dividends	(8,552)		(8,208)
Receipts related to noncontrolling interests	65		1,302
Payments related to noncontrolling interests	(42,015)		(57,629)
Noncontrolling Interests Non Cash Consolidations	12,478
Noncontrolling Interests Non Cash Deconsolidations			(13,253)
Non-cash activity related to noncontrolling interests	307
Other comprehensive income (loss), net of tax	(437)		200
Balance, ending	6,093,449	[1]	5,308,990
Additional Paid-in Capital [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning	2,305,560		2,239,574
Net earnings (including net earnings attributable to noncontrolling interests)	0		0
Employee stock and directors plans	29		47
Conversions and exchanges of convertible senior notes to Class A common stock	(360)
Tax benefit from employee stock plans, vesting of restricted stock and conversion of convertible senior notes	25,131		35
Amortization of restricted stock	11,142		10,250
Cash dividends	0		0
Receipts related to noncontrolling interests	0		0
Payments related to noncontrolling interests	0		0
Noncontrolling Interests Non Cash Consolidations	0
Noncontrolling Interests Non Cash Deconsolidations			0
Non-cash activity related to noncontrolling interests	0
Other comprehensive income (loss), net of tax	0		0
Balance, ending	2,341,502		2,249,906
Treasury Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning	(107,755)		(93,440)
Net earnings (including net earnings attributable to noncontrolling interests)	0		0
Employee stock and directors plans	(223)		8,026
Conversions and exchanges of convertible senior notes to Class A common stock	0
Tax benefit from employee stock plans, vesting of restricted stock and conversion of convertible senior notes	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
Noncontrolling Interests Non Cash Consolidations	0
Noncontrolling Interests Non Cash Deconsolidations			0
Non-cash activity related to noncontrolling interests	0
Other comprehensive income (loss), net of tax	0		0
Balance, ending	(107,978)		(85,414)
Accumulated Other Comprehensive Income (Loss) [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning	39		130
Net earnings (including net earnings attributable to noncontrolling interests)	0		0
Employee stock and directors plans	0		0
Conversions and exchanges of convertible senior notes to Class A common stock	0
Tax benefit from employee stock plans, vesting of restricted stock and conversion of convertible senior notes	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
Noncontrolling Interests Non Cash Consolidations	0
Noncontrolling Interests Non Cash Deconsolidations			0
Non-cash activity related to noncontrolling interests	0
Other comprehensive income (loss), net of tax	(437)		200
Balance, ending	(398)		330
Retained Earnings [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning	3,429,736		2,660,034
Net earnings (including net earnings attributable to noncontrolling interests)	144,080		114,963
Employee stock and directors plans	0		0
Conversions and exchanges of convertible senior notes to Class A common stock	0
Tax benefit from employee stock plans, vesting of restricted stock and conversion of convertible senior notes	0		0
Amortization of restricted stock	0		0
Cash dividends	(8,552)		(8,208)
Receipts related to noncontrolling interests	0		0
Payments related to noncontrolling interests	0		0
Noncontrolling Interests Non Cash Consolidations	0
Noncontrolling Interests Non Cash Deconsolidations			0
Non-cash activity related to noncontrolling interests	0
Other comprehensive income (loss), net of tax	0		0
Balance, ending	3,565,264		2,766,789
Noncontrolling Interests [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning	301,128		424,282
Net earnings (including net earnings attributable to noncontrolling interests)	1,372		1,954
Employee stock and directors plans	0		0
Conversions and exchanges of convertible senior notes to Class A common stock	0
Tax benefit from employee stock plans, vesting of restricted stock and conversion of convertible senior notes	0		0
Amortization of restricted stock	0		0
Cash dividends	0		0
Receipts related to noncontrolling interests	65		1,302
Payments related to noncontrolling interests	(42,015)		(57,629)
Noncontrolling Interests Non Cash Consolidations	12,478
Noncontrolling Interests Non Cash Deconsolidations			(13,253)
Non-cash activity related to noncontrolling interests	307
Other comprehensive income (loss), net of tax	0		0
Balance, ending	273,335		356,656
Class A Common Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning	18,066		17,424
Net earnings (including net earnings attributable to noncontrolling interests)	0		0
Employee stock and directors plans	0		1
Conversions and exchanges of convertible senior notes to Class A common stock	360
Tax benefit from employee stock plans, vesting of restricted stock and conversion of convertible senior notes	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
Noncontrolling Interests Non Cash Consolidations	0
Noncontrolling Interests Non Cash Deconsolidations			0
Non-cash activity related to noncontrolling interests	0
Other comprehensive income (loss), net of tax	0		0
Balance, ending	18,426		17,425
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
Conversions and exchanges of convertible senior notes to Class A common stock	0
Tax benefit from employee stock plans, vesting of restricted stock and conversion of convertible senior notes	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
Noncontrolling Interests Non Cash Consolidations	0
Noncontrolling Interests Non Cash Deconsolidations			0
Non-cash activity related to noncontrolling interests	0
Other comprehensive income (loss), net of tax	0		0
Balance, ending	$ 3,298		$ 3,298

[1] As of February 29, 2016, total liabilities include $60.3 million related to consolidated VIEs as to which there was no recourse against the Company, of which $3.0 million is included in Lennar Homebuilding accounts payable, $19.9 million in Lennar Homebuilding liabilities related to consolidated inventory not owned, $21.7 million in Lennar Homebuilding other liabilities, $11.7 million in Rialto liabilities and $4.0 million in Lennar Multifamily liabilities.As of November 30, 2015, total liabilities include $84.4 million related to consolidated VIEs as to which there was no recourse against the Company, of which $2.0 million is included in Lennar Homebuilding accounts payable, $51.4 million in Lennar Homebuilding liabilities related to consolidated inventory not owned, $15.6 million in Lennar Homebuilding other liabilities, $11.3 million in Rialto liabilities and $4.0 million in Lennar Multifamily liabilities.