Supplemental Financial Information (Condensed Consolidating Statement Of Cash Flows) (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2015	Nov. 30, 2014	Nov. 30, 2013
Condensed Financial Statements, Captions [Line Items]
Net earnings (including net earnings (loss) attributable to noncontrolling interests)	$ 819,200	$ 628,693	$ 504,926
Distributions of earnings from subsidiaries	0	0	0
Adjustments to reconcile net earnings (including net earnings attributable to noncontrolling interests) to net cash provided by (used in) operating activities	(1,238,846)	(1,417,181)	(1,312,640)
Net cash provided by (used in) operating activities	(419,646)	(788,488)	(807,714)
Proceeds (payments) to/from acquire interest in subsidiaries and affiliates net	(95,941)	119,523	76,612
Proceeds from sales of Rialto real estate owned	155,295	269,698	239,215
Decrease in defeasance cash to retire notes payable	0	0	223,813
Receipts of principal payments on Rialto loans receivable	28,389	24,019	66,788
Proceeds from the sale of operating properties and equipment	73,732	43,937	140,564
Other	(181,165)	(18,818)	(57,743)
Distributions of capital from subsidiaries	0	0
Intercompany investing	0	0	0
Net cash provided by (used in) investing activities	(98,393)	438,359	689,249
Net borrowings (repayments) under warehouse facilities	366,290	389,535	(7,811)
Net proceeds from convertible and senior notes	1,134,840	1,039,480	494,329
Redemption and partial redemption of senior notes	(712,107)	(250,000)	(63,751)
Proceeds from (Repayments of) Other Debt	(156,490)	(265,289)	(194,763)
Exercise of land option contracts from an unconsolidated land investment venture	0	(1,540)	(28,869)
Net receipts (payments) related to noncontrolling interests	(132,078)	(142,766)	(193,419)
Excess tax benefits from share-based awards	113	7,497	10,148
Common stock, Issuances	9,405	13,599	34,114
Common stock, Repurchases	(23,188)	(20,424)	(12,320)
Common stock, Dividends	(33,192)	(32,775)	(30,912)
Intercompany financing	0	0	0
Net cash provided by (used in) financing activities	394,670	661,438	(221,773)
Net increase (decrease) in cash and cash equivalents	(123,369)	311,309	(340,238)
Cash and cash equivalents at beginning of year	1,281,814	970,505	1,310,743
Cash and cash equivalents at end of year	1,158,445	1,281,814	970,505
Lennar Corporation [Member]
Condensed Financial Statements, Captions [Line Items]
Net earnings (including net earnings (loss) attributable to noncontrolling interests)	802,894	638,916	479,674
Distributions of earnings from subsidiaries	949,090	754,737	571,548
Adjustments to reconcile net earnings (including net earnings attributable to noncontrolling interests) to net cash provided by (used in) operating activities	(782,575)	(583,119)	(555,792)
Net cash provided by (used in) operating activities	969,409	810,534	495,430
Proceeds (payments) to/from acquire interest in subsidiaries and affiliates net	0	0	0
Proceeds from the sale of operating properties and equipment	0	0	0
Other	(5,988)	(2,347)	(233)
Distributions of capital from subsidiaries	115,000	232,200
Intercompany investing	(1,514,775)	(1,515,367)	(1,333,932)
Net cash provided by (used in) investing activities	(1,405,763)	(1,285,514)	(1,334,165)
Net borrowings (repayments) under warehouse facilities	0	0	0
Net proceeds from convertible and senior notes	1,137,826	843,300	494,329
Redemption and partial redemption of senior notes	(712,107)	(250,000)	(63,001)
Proceeds from (Repayments of) Other Debt	0	0	0
Exercise of land option contracts from an unconsolidated land investment venture		0	0
Net receipts (payments) related to noncontrolling interests	0	0	0
Excess tax benefits from share-based awards	113	7,497	10,148
Common stock, Issuances	9,405	13,599	34,114
Common stock, Repurchases	(23,188)	(20,424)	(12,320)
Common stock, Dividends	(33,192)	(32,775)	(30,912)
Intercompany financing	0	0	0
Net cash provided by (used in) financing activities	378,857	561,197	432,358
Net increase (decrease) in cash and cash equivalents	(57,497)	86,217	(406,377)
Cash and cash equivalents at beginning of year	633,318	547,101	953,478
Cash and cash equivalents at end of year	575,821	633,318	547,101
Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net earnings (including net earnings (loss) attributable to noncontrolling interests)	929,070	716,235	573,347
Distributions of earnings from subsidiaries	51,956	39,691	44,980
Adjustments to reconcile net earnings (including net earnings attributable to noncontrolling interests) to net cash provided by (used in) operating activities	(861,284)	(1,108,430)	(1,322,939)
Net cash provided by (used in) operating activities	119,742	(352,504)	(704,612)
Proceeds (payments) to/from acquire interest in subsidiaries and affiliates net	(90,267)	63,990	98,819
Proceeds from the sale of operating properties and equipment	73,732	43,937	0
Other	(96,180)	19,027	(46,230)
Distributions of capital from subsidiaries	115,050	65,200
Intercompany investing	0	0	0
Net cash provided by (used in) investing activities	2,335	192,154	52,589
Net borrowings (repayments) under warehouse facilities	0	0	0
Net proceeds from convertible and senior notes	0	0	0
Redemption and partial redemption of senior notes	0	0	(750)
Proceeds from (Repayments of) Other Debt	(156,490)	(241,539)	(67,984)
Exercise of land option contracts from an unconsolidated land investment venture		(1,540)	(28,869)
Net receipts (payments) related to noncontrolling interests	0	0	0
Excess tax benefits from share-based awards	0	0	0
Common stock, Issuances	0	0	0
Common stock, Repurchases	0	0	0
Common stock, Dividends	(1,044,070)	(781,435)	(573,347)
Intercompany financing	1,161,617	1,285,786	1,283,156
Net cash provided by (used in) financing activities	(38,943)	261,272	612,206
Net increase (decrease) in cash and cash equivalents	83,134	100,922	(39,817)
Cash and cash equivalents at beginning of year	252,914	151,992	191,809
Cash and cash equivalents at end of year	336,048	252,914	151,992
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net earnings (including net earnings (loss) attributable to noncontrolling interests)	88,282	67,970	68,433
Distributions of earnings from subsidiaries	0	0	0
Adjustments to reconcile net earnings (including net earnings attributable to noncontrolling interests) to net cash provided by (used in) operating activities	(596,033)	(520,060)	(50,437)
Net cash provided by (used in) operating activities	(507,751)	(452,090)	17,996
Proceeds (payments) to/from acquire interest in subsidiaries and affiliates net	(5,674)	55,533	(22,207)
Proceeds from the sale of operating properties and equipment	0	0	140,564
Other	(78,997)	(35,498)	(11,280)
Distributions of capital from subsidiaries	0	0
Intercompany investing	0	0	0
Net cash provided by (used in) investing activities	20,310	313,752	636,893
Net borrowings (repayments) under warehouse facilities	366,290	389,535	(7,811)
Net proceeds from convertible and senior notes	(2,986)	196,180	0
Redemption and partial redemption of senior notes	0	0	0
Proceeds from (Repayments of) Other Debt		(23,750)	(126,779)
Exercise of land option contracts from an unconsolidated land investment venture		0	0
Net receipts (payments) related to noncontrolling interests	(132,078)	(142,766)	(193,419)
Excess tax benefits from share-based awards	0	0	0
Common stock, Issuances	0	0	0
Common stock, Repurchases	0	0	0
Common stock, Dividends	(187,026)	(310,393)	(43,181)
Intercompany financing	353,158	229,581	50,776
Net cash provided by (used in) financing activities	338,435	262,508	(548,933)
Net increase (decrease) in cash and cash equivalents	(149,006)	124,170	105,956
Cash and cash equivalents at beginning of year	395,582	271,412	165,456
Cash and cash equivalents at end of year	246,576	395,582	271,412
Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Net earnings (including net earnings (loss) attributable to noncontrolling interests)	(1,001,046)	(794,428)	(616,528)
Distributions of earnings from subsidiaries	(1,001,046)	(794,428)	(616,528)
Adjustments to reconcile net earnings (including net earnings attributable to noncontrolling interests) to net cash provided by (used in) operating activities	1,001,046	794,428	616,528
Net cash provided by (used in) operating activities	(1,001,046)	(794,428)	(616,528)
Proceeds (payments) to/from acquire interest in subsidiaries and affiliates net	0	0	0
Proceeds from the sale of operating properties and equipment	0	0	0
Other	0	0	0
Distributions of capital from subsidiaries	(230,050)	(297,400)
Intercompany investing	1,514,775	1,515,367	1,333,932
Net cash provided by (used in) investing activities	1,284,725	1,217,967	1,333,932
Net borrowings (repayments) under warehouse facilities	0	0	0
Net proceeds from convertible and senior notes	0	0	0
Redemption and partial redemption of senior notes	0	0	0
Proceeds from (Repayments of) Other Debt	0	0	0
Exercise of land option contracts from an unconsolidated land investment venture		0	$ 0
Net receipts (payments) related to noncontrolling interests	0	0
Excess tax benefits from share-based awards	0	0	$ 0
Common stock, Issuances	0	0	0
Common stock, Repurchases	0	0	0
Common stock, Dividends	1,231,096	1,091,828	616,528
Intercompany financing	(1,514,775)	(1,515,367)	(1,333,932)
Net cash provided by (used in) financing activities	(283,679)	(423,539)	(717,404)
Net increase (decrease) in cash and cash equivalents	0	0	0
Cash and cash equivalents at beginning of year	0	0	0
Cash and cash equivalents at end of year	0	0	0
Rialto [Member]
Condensed Financial Statements, Captions [Line Items]
Proceeds from sales of Rialto real estate owned	155,295	269,698	239,215
Decrease in defeasance cash to retire notes payable			223,813
Receipts of principal payments on Rialto loans receivable	28,389	24,019	66,788
Originations of loans receivable	(78,703)
Net proceeds from convertible and senior notes			242,736
Proceeds from (Repayments of) Other Debt	(58,923)	(75,879)	(471,255)
Cash and cash equivalents at beginning of year	303,889	201,496
Cash and cash equivalents at end of year	150,219	303,889	201,496
Rialto [Member] | Lennar Corporation [Member]
Condensed Financial Statements, Captions [Line Items]
Proceeds from sales of Rialto real estate owned	0	0	0
Receipts of principal payments on Rialto loans receivable	0
Originations of loans receivable	0
Net proceeds from convertible and senior notes			0
Proceeds from (Repayments of) Other Debt	0	0	0
Rialto [Member] | Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Proceeds from sales of Rialto real estate owned	0	0	0
Receipts of principal payments on Rialto loans receivable	0
Originations of loans receivable	0
Net proceeds from convertible and senior notes			0
Proceeds from (Repayments of) Other Debt		0	0
Rialto [Member] | Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Proceeds from sales of Rialto real estate owned	155,295	269,698	239,215
Decrease in defeasance cash to retire notes payable			223,813
Receipts of principal payments on Rialto loans receivable	28,389	24,019	66,788
Originations of loans receivable	(78,703)
Net proceeds from convertible and senior notes			242,736
Proceeds from (Repayments of) Other Debt	(58,923)	(75,879)	(471,255)
Rialto [Member] | Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Proceeds from sales of Rialto real estate owned	0	0	0
Receipts of principal payments on Rialto loans receivable	0
Originations of loans receivable	0
Net proceeds from convertible and senior notes			0
Proceeds from (Repayments of) Other Debt	$ 0	$ 0	$ 0