Supplemental Financial Information (Condensed Consolidating Statement Of Cash Flows) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Feb. 28, 2015		Feb. 28, 2014
Condensed Financial Statements, Captions [Line Items]
Net earnings (including net earnings attributable to noncontrolling interests)	$ 116,917		$ 79,965
Distributions of earnings from subsidiaries	0		0
Adjustments to reconcile net earnings (loss) (including net earnings (loss) attributable to noncontrolling interests) to net cash provided by (used in) operating activities	(847,181)		(474,572)
Net cash provided by (used in) operating activities	(730,264)		(394,607)
Other	(81,486)		(25,537)
Distributions of capital from subsidiaries	0		0
Intercompany investing	0		0
Net cash provided by (used in) investing activities	(67,194)		75,270
Net borrowings (repayments) of debt	250,000		0
Net proceeds from senior notes	249,131		496,305
Proceeds from (repayments of) other debt	(61,418)		(72,170)
Exercise of land option contracts from an unconsolidated land investment venture	0		(1,540)
Net payments related to noncontrolling interests	(56,327)		(32,535)
Excess tax benefits from share-based awards	35		137
Issuances	8,227		12,420
Repurchases	(186)		0
Dividends	(8,208)		(8,169)
Intercompany financing	0		0
Net cash provided by (used in) financing activities	334,074		223,130
Net (decrease) increase in cash and cash equivalents	(463,384)		(96,207)
Cash and cash equivalents at beginning of period	1,281,814		970,505
Cash and cash equivalents at end of period	818,430		874,298
Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Net earnings (including net earnings attributable to noncontrolling interests)	114,963		78,117
Distributions of earnings from subsidiaries	143,648		102,223
Adjustments to reconcile net earnings (loss) (including net earnings (loss) attributable to noncontrolling interests) to net cash provided by (used in) operating activities	(195,584)		(134,710)
Net cash provided by (used in) operating activities	63,027		45,630
Other	(21,439)		(157)
Distributions of capital from subsidiaries	10,000		60,000
Intercompany investing	(845,727)		(672,239)
Net cash provided by (used in) investing activities	(857,166)		(612,396)
Net borrowings (repayments) of debt	250,000
Net proceeds from senior notes	249,425		496,600
Proceeds from (repayments of) other debt	21,250
Excess tax benefits from share-based awards	35		137
Issuances	8,227		12,420
Repurchases	(186)
Dividends	(8,208)		(8,169)
Net cash provided by (used in) financing activities	520,543		500,988
Net (decrease) increase in cash and cash equivalents	(273,596)		(65,778)
Cash and cash equivalents at beginning of period	633,318		547,101
Cash and cash equivalents at end of period	359,722		481,323
Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net earnings (including net earnings attributable to noncontrolling interests)	137,124		99,713
Distributions of earnings from subsidiaries	10,116		5,566
Adjustments to reconcile net earnings (loss) (including net earnings (loss) attributable to noncontrolling interests) to net cash provided by (used in) operating activities	(716,869)		(568,041)
Net cash provided by (used in) operating activities	(569,629)		(462,762)
Other	(32,916)		(16,229)
Distributions of capital from subsidiaries	10,000		0
Intercompany investing	0		0
Net cash provided by (used in) investing activities	(31,758)		39,348
Net proceeds from senior notes			0
Proceeds from (repayments of) other debt	(82,587)		(72,097)
Exercise of land option contracts from an unconsolidated land investment venture			(1,540)
Excess tax benefits from share-based awards	0		0
Repurchases	0
Dividends	(147,124)		(99,713)
Intercompany financing	800,745		609,943
Net cash provided by (used in) financing activities	571,034		436,593
Net (decrease) increase in cash and cash equivalents	(30,353)		13,179
Cash and cash equivalents at beginning of period	255,501		152,753
Cash and cash equivalents at end of period	225,148		165,932
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net earnings (including net earnings attributable to noncontrolling interests)	18,594		9,924
Distributions of earnings from subsidiaries	0		0
Adjustments to reconcile net earnings (loss) (including net earnings (loss) attributable to noncontrolling interests) to net cash provided by (used in) operating activities	(88,492)		120,390
Net cash provided by (used in) operating activities	(69,898)		130,314
Other	(27,131)		(9,151)
Distributions of capital from subsidiaries	0		0
Intercompany investing	0		0
Net cash provided by (used in) investing activities	(3,997)		36,079
Net proceeds from senior notes	(294)		(295)
Proceeds from (repayments of) other debt	(81)		(73)
Net payments related to noncontrolling interests	(56,327)		(32,535)
Excess tax benefits from share-based awards	0		0
Repurchases	0
Dividends	(26,640)		(68,076)
Intercompany financing	44,982		62,296
Net cash provided by (used in) financing activities	(85,540)		(210,001)
Net (decrease) increase in cash and cash equivalents	(159,435)		(43,608)
Cash and cash equivalents at beginning of period	392,995		270,651
Cash and cash equivalents at end of period	233,560		227,043
Consolidation, Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Net earnings (including net earnings attributable to noncontrolling interests)	(153,764)		(107,789)
Distributions of earnings from subsidiaries	(153,764)		(107,789)
Adjustments to reconcile net earnings (loss) (including net earnings (loss) attributable to noncontrolling interests) to net cash provided by (used in) operating activities	153,764		107,789
Net cash provided by (used in) operating activities	(153,764)		(107,789)
Distributions of capital from subsidiaries	(20,000)		(60,000)
Intercompany investing	845,727		672,239
Net cash provided by (used in) investing activities	825,727		612,239
Net proceeds from senior notes			0
Excess tax benefits from share-based awards	0		0
Repurchases	0
Dividends	173,764		167,789
Intercompany financing	(845,727)		(672,239)
Net cash provided by (used in) financing activities	(671,963)		(504,450)
Lennar Homebuilding [Member]
Condensed Financial Statements, Captions [Line Items]
(Investments in and contributions to) and distributions of capital from unconsolidated entities, net	(10,668)		29,500
Cash and cash equivalents at beginning of period	885,729	[1]
Cash and cash equivalents at end of period	583,754	[1]	645,691
Lennar Homebuilding [Member] | Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
(Investments in and contributions to) and distributions of capital from unconsolidated entities, net	(10,668)		28,767
Lennar Homebuilding [Member] | Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
(Investments in and contributions to) and distributions of capital from unconsolidated entities, net			733
Rialto [Member]
Condensed Financial Statements, Captions [Line Items]
(Investments in and contributions to) and distributions of capital from unconsolidated entities, net	(8,440)		(13,124)
Receipts of principal payments on loans receivable	3,519		6,879
Proceeds from sales of real estate owned	28,055		50,742
Net borrowings (repayments) of debt	41,971		(18,169)
Principal repayments on Rialto notes payable	(17,499)		(2,101)
Cash and cash equivalents at beginning of period	303,889	[1]
Cash and cash equivalents at end of period	147,219	[1]	169,404
Rialto [Member] | Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
(Investments in and contributions to) and distributions of capital from unconsolidated entities, net	(8,440)		(13,124)
Receipts of principal payments on loans receivable	3,519		6,879
Proceeds from sales of real estate owned	28,055		50,742
Net borrowings (repayments) of debt	41,971		(18,169)
Principal repayments on Rialto notes payable	(17,499)		(2,101)
Lennar Multifamily [Member]
Condensed Financial Statements, Captions [Line Items]
(Investments in and contributions to) and distributions of capital from unconsolidated entities, net	1,826		26,810
Cash and cash equivalents at beginning of period	2,186
Cash and cash equivalents at end of period	3,256		2,496
Lennar Multifamily [Member] | Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
(Investments in and contributions to) and distributions of capital from unconsolidated entities, net			0
Lennar Multifamily [Member] | Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
(Investments in and contributions to) and distributions of capital from unconsolidated entities, net	1,826		26,810
Lennar Multifamily [Member] | Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
(Investments in and contributions to) and distributions of capital from unconsolidated entities, net			0
Lennar Multifamily [Member] | Consolidation, Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
(Investments in and contributions to) and distributions of capital from unconsolidated entities, net			0
Lennar Financial Services [Member]
Condensed Financial Statements, Captions [Line Items]
Net borrowings (repayments) of debt	(71,652)		(151,048)
Cash and cash equivalents at beginning of period	90,010
Cash and cash equivalents at end of period	84,201		56,707
Lennar Financial Services [Member] | Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net borrowings (repayments) of debt	$ (71,652)		$ (151,048)

[1] Under certain provisions of Accounting Standards Codification (“ASC”) Topic 810, Consolidations, (“ASC 810”) the Company is required to separately disclose on its condensed consolidated balance sheets the assets owned by consolidated variable interest entities (“VIEs”) and liabilities of consolidated VIEs as to which neither Lennar Corporation, or any of its subsidiaries, has any obligations.As of February 28, 2015, total assets include $818.9 million related to consolidated VIEs of which $13.9 million is included in Lennar Homebuilding cash and cash equivalents, $0.3 million in Lennar Homebuilding restricted cash, $0.4 million in Lennar Homebuilding receivables, net, $0.3 million in Lennar Homebuilding finished homes and construction in progress, $195.3 million in Lennar Homebuilding land and land under development, $50.2 million in Lennar Homebuilding consolidated inventory not owned, $28.9 million in Lennar Homebuilding investments in unconsolidated entities, $101.8 million in Lennar Homebuilding other assets, $423.8 million in Rialto assets and $4.0 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 Lennar Homebuilding 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.