Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands		3 Months Ended
		Feb. 28, 2018	Feb. 28, 2017
Cash flows from operating activities:
Net earnings (including net earnings (loss) attributable to noncontrolling interests)		$ 136,817	$ 29,674
Adjustments to reconcile net earnings to net cash (used in) provided by operating activities:
Depreciation and amortization		19,570	11,743
Amortization of discount/premium and accretion on debt, net		40	3,132
Equity in (earnings) loss from unconsolidated entities		2,431	(12,335)
Distributions of earnings from unconsolidated entities		3,542	31,949
Share-based compensation expense		17,766	12,505
Excess tax benefits from share-based awards		0	(1,953)
Deferred income tax (benefit) expense		33,788	(36,229)
Gain on sale of operating properties and equipment		(207)	0
Gain on sale of interest in unconsolidated entity		(164,880)	0
Unrealized and realized gains on real estate owned		(883)	(1,698)
Impairments of loans receivable and real estate owned		5,486	25,484
Valuation adjustments and write-offs of option deposits and pre-acquisition costs		12,048	1,930
Changes in assets and liabilities:
Decrease in restricted cash		12,801	10,842
(Increase) decrease in receivables		(22,406)	264,714
Increase in inventories, excluding valuation adjustments and write-offs of option deposits and pre-acquisition costs		(548,725)	(601,711)
(Increase) decrease in other assets		(26,582)	12,846
Decrease in loans held-for-sale		422,991	339,492
Decrease in accounts payable and other liabilities		(46,325)	(11,061)
Net cash (used in) provided by operating activities		(142,728)	79,324
Cash flows from investing activities:
Net additions of operating properties and equipment		(40,810)	(25,785)
Proceeds from sale of investment in unconsolidated entity		175,179	0
Investments in and contributions to unconsolidated entities		(62,575)	(151,706)
Distributions of capital from unconsolidated entities		20,927	39,961
Proceeds from sales of real estate owned		18,080	24,215
Other proceeds, net		2,627	2,029
Originations of loans receivable		0	(9,330)
Purchases of commercial mortgage-backed securities bonds		(31,068)	(40,357)
Acquisitions, net of cash acquired		(1,101,739)	(596,172)
Decrease (increase) in Lennar Financial Services loans held-for-investment, net		1,590	(2,025)
Purchases of Lennar Financial Services investment securities		(20,894)	(12,204)
Proceeds from maturities/sales of Lennar Financial Services investments securities		10,473	5,292
Net cash used in investing activities		(1,028,210)	(766,082)
Cash flows from financing activities:
Proceeds from senior notes		0	600,000
Debt issuance costs		(12,039)	(10,848)
Proceeds from other borrowings		581	7,395
Payments related to other liabilities		(1,478)	0
Principal payments on other borrowings		(15,387)	(16,242)
Receipts related to noncontrolling interests		3,852	153
Payments related to noncontrolling interests		(23,760)	(25,871)
Excess tax benefits from share-based awards		0	1,953
Common stock:
Issuances		0	99
Repurchases		(25,355)	(83)
Dividends		(9,617)	(9,400)
Net cash (used in) provided by financing activities		(450,349)	286,289
Net decrease in cash and cash equivalents		(1,621,287)	(400,469)
Summary of cash and cash equivalents:
Cash and cash equivalents at beginning of period		2,650,872	1,329,529
Cash and cash equivalents at end of period		1,029,585	929,060
Lennar Homebuilding and Lennar Multifamily:
Non-cash increase in consolidated inventory not owned		0	115,000
Consolidation/deconsolidation of unconsolidated/consolidated entities, net:
Inventories		35,430	0
Receivables		7,198	0
Investments in unconsolidated entities		(25,614)	0
Other liabilities		(17,014)	0
Lennar Homebuilding
Adjustments to reconcile net earnings to net cash (used in) provided by operating activities:
Equity in (earnings) loss from unconsolidated entities		14,287	11,534
Summary of cash and cash equivalents:
Cash and cash equivalents at beginning of period	[1]	2,282,925
Cash and cash equivalents at end of period	[1]	733,905
Lennar Homebuilding and Lennar Multifamily:
Non-cash contributions to unconsolidated entities		523	25,315
Rialto
Adjustments to reconcile net earnings to net cash (used in) provided by operating activities:
Equity in (earnings) loss from unconsolidated entities		(9,114)	(722)
Cash flows from financing activities:
Proceeds from Rialto notes payable		32,226	35,460
Principal payments on Rialto senior notes and other notes payable		(100,161)	(2,971)
Summary of cash and cash equivalents:
Cash and cash equivalents at beginning of period		241,861
Cash and cash equivalents at end of period		113,582
Lennar Financial Services
Summary of cash and cash equivalents:
Cash and cash equivalents at beginning of period		117,410
Cash and cash equivalents at end of period		165,849
Lennar Multifamily
Adjustments to reconcile net earnings to net cash (used in) provided by operating activities:
Equity in (earnings) loss from unconsolidated entities		(2,742)	(23,147)
Summary of cash and cash equivalents:
Cash and cash equivalents at beginning of period		8,676
Cash and cash equivalents at end of period		16,249
Lennar Homebuilding and Lennar Multifamily
Lennar Homebuilding and Lennar Multifamily:
Purchases of inventories and other assets financed by sellers		23,503	80,919
Equity component of acquisition consideration		5,070,006	0
Consolidating Adjustments
Cash flows from operating activities:
Net earnings (including net earnings (loss) attributable to noncontrolling interests)		(178,838)	(83,959)
Changes in assets and liabilities:
Net cash (used in) provided by operating activities		(178,838)	(83,959)
Cash flows from investing activities:
Proceeds from sale of investment in unconsolidated entity		0
Proceeds from sales of real estate owned		0	0
Originations of loans receivable			0
Purchases of commercial mortgage-backed securities bonds		0	0
Acquisitions, net of cash acquired		0	0
Net cash used in investing activities		921,113	574,418
Cash flows from financing activities:
Excess tax benefits from share-based awards			0
Common stock:
Issuances			0
Repurchases		0	0
Dividends		178,838	143,959
Net cash (used in) provided by financing activities		(742,275)	(490,459)
Net decrease in cash and cash equivalents		0	0
Summary of cash and cash equivalents:
Cash and cash equivalents at beginning of period		0	0
Cash and cash equivalents at end of period		0	0
Consolidating Adjustments | Lennar Homebuilding
Adjustments to reconcile net earnings to net cash (used in) provided by operating activities:
Equity in (earnings) loss from unconsolidated entities		0	0
Consolidating Adjustments | Rialto
Adjustments to reconcile net earnings to net cash (used in) provided by operating activities:
Equity in (earnings) loss from unconsolidated entities		0	0
Consolidating Adjustments | Lennar Multifamily
Adjustments to reconcile net earnings to net cash (used in) provided by operating activities:
Equity in (earnings) loss from unconsolidated entities		0	0
Operating Segments
Summary of cash and cash equivalents:
Cash and cash equivalents at beginning of period
Cash and cash equivalents at end of period		1,029,585	929,060
Operating Segments | Lennar Homebuilding
Summary of cash and cash equivalents:
Cash and cash equivalents at beginning of period
Cash and cash equivalents at end of period		733,905	640,816
Operating Segments | Rialto
Summary of cash and cash equivalents:
Cash and cash equivalents at beginning of period
Cash and cash equivalents at end of period		113,582	119,308
Operating Segments | Lennar Financial Services
Summary of cash and cash equivalents:
Cash and cash equivalents at beginning of period
Cash and cash equivalents at end of period		165,849	162,513
Operating Segments | Lennar Multifamily
Summary of cash and cash equivalents:
Cash and cash equivalents at beginning of period
Cash and cash equivalents at end of period		16,249	6,423
Unsecured Revolving Credit Facility
Cash flows from financing activities:
Net borrowings under revolving lines of credit		45,300	250,000
Unsecured Revolving Credit Facility | Consolidating Adjustments
Cash flows from financing activities:
Net borrowings under revolving lines of credit		0	0
Warehouse Repurchase Facility
Cash flows from financing activities:
Net borrowings under revolving lines of credit		(344,511)	(543,356)
Net repayments under warehouse facilities		(344,511)	(543,356)
Warehouse Repurchase Facility | Consolidating Adjustments
Cash flows from financing activities:
Net borrowings under revolving lines of credit		0	0
Lennar Corporation | Reportable Legal Entities
Cash flows from operating activities:
Net earnings (including net earnings (loss) attributable to noncontrolling interests)		136,215	38,080
Changes in assets and liabilities:
Net cash (used in) provided by operating activities		30,483	73,790
Cash flows from investing activities:
Proceeds from sale of investment in unconsolidated entity		0
Proceeds from sales of real estate owned		0	0
Originations of loans receivable			0
Purchases of commercial mortgage-backed securities bonds		0	0
Acquisitions, net of cash acquired		(1,162,342)	(596,172)
Net cash used in investing activities		(2,092,500)	(1,203,414)
Cash flows from financing activities:
Excess tax benefits from share-based awards			1,953
Common stock:
Issuances			99
Repurchases		(25,355)	(83)
Dividends		(9,617)	(9,400)
Net cash (used in) provided by financing activities		455,911	837,729
Net decrease in cash and cash equivalents		(1,606,106)	(291,895)
Summary of cash and cash equivalents:
Cash and cash equivalents at beginning of period		1,937,674	697,112
Cash and cash equivalents at end of period		331,568	405,217
Lennar Corporation | Reportable Legal Entities | Lennar Homebuilding
Adjustments to reconcile net earnings to net cash (used in) provided by operating activities:
Equity in (earnings) loss from unconsolidated entities		0	0
Lennar Corporation | Reportable Legal Entities | Rialto
Adjustments to reconcile net earnings to net cash (used in) provided by operating activities:
Equity in (earnings) loss from unconsolidated entities		0	0
Lennar Corporation | Reportable Legal Entities | Lennar Multifamily
Adjustments to reconcile net earnings to net cash (used in) provided by operating activities:
Equity in (earnings) loss from unconsolidated entities		0	0
Lennar Corporation | Unsecured Revolving Credit Facility | Reportable Legal Entities
Cash flows from financing activities:
Net borrowings under revolving lines of credit		500,000	250,000
Lennar Corporation | Warehouse Repurchase Facility | Reportable Legal Entities
Cash flows from financing activities:
Net borrowings under revolving lines of credit		0	0
Guarantor Subsidiaries | Reportable Legal Entities
Cash flows from operating activities:
Net earnings (including net earnings (loss) attributable to noncontrolling interests)		167,049	56,832
Changes in assets and liabilities:
Net cash (used in) provided by operating activities		(175,378)	(357,285)
Cash flows from investing activities:
Proceeds from sale of investment in unconsolidated entity		175,179
Proceeds from sales of real estate owned		0	0
Originations of loans receivable			0
Purchases of commercial mortgage-backed securities bonds		0	0
Acquisitions, net of cash acquired		24,088	0
Net cash used in investing activities		164,388	(90,375)
Cash flows from financing activities:
Excess tax benefits from share-based awards			0
Common stock:
Issuances			0
Repurchases		0	0
Dividends		(167,049)	(86,832)
Net cash (used in) provided by financing activities		93,397	338,314
Net decrease in cash and cash equivalents		82,407	(109,346)
Summary of cash and cash equivalents:
Cash and cash equivalents at beginning of period		359,087	377,070
Cash and cash equivalents at end of period		441,494	267,724
Guarantor Subsidiaries | Reportable Legal Entities | Lennar Homebuilding
Adjustments to reconcile net earnings to net cash (used in) provided by operating activities:
Equity in (earnings) loss from unconsolidated entities		14,131	11,560
Guarantor Subsidiaries | Reportable Legal Entities | Rialto
Adjustments to reconcile net earnings to net cash (used in) provided by operating activities:
Equity in (earnings) loss from unconsolidated entities		0	0
Guarantor Subsidiaries | Reportable Legal Entities | Lennar Multifamily
Adjustments to reconcile net earnings to net cash (used in) provided by operating activities:
Equity in (earnings) loss from unconsolidated entities		0	0
Guarantor Subsidiaries | Unsecured Revolving Credit Facility | Reportable Legal Entities
Cash flows from financing activities:
Net borrowings under revolving lines of credit		(454,700)	0
Guarantor Subsidiaries | Warehouse Repurchase Facility | Reportable Legal Entities
Cash flows from financing activities:
Net borrowings under revolving lines of credit		(27)	(25)
Non-Guarantor Subsidiaries | Reportable Legal Entities
Cash flows from operating activities:
Net earnings (including net earnings (loss) attributable to noncontrolling interests)		12,391	18,721
Changes in assets and liabilities:
Net cash (used in) provided by operating activities		181,005	446,778
Cash flows from investing activities:
Proceeds from sale of investment in unconsolidated entity		0
Proceeds from sales of real estate owned		18,080	24,215
Originations of loans receivable			(9,330)
Purchases of commercial mortgage-backed securities bonds		(31,068)	(40,357)
Acquisitions, net of cash acquired		36,515	0
Net cash used in investing activities		(21,211)	(46,711)
Cash flows from financing activities:
Excess tax benefits from share-based awards			0
Common stock:
Issuances			0
Repurchases		0	0
Dividends		(11,789)	(57,127)
Net cash (used in) provided by financing activities		(257,382)	(399,295)
Net decrease in cash and cash equivalents		(97,588)	772
Summary of cash and cash equivalents:
Cash and cash equivalents at beginning of period		354,111	255,347
Cash and cash equivalents at end of period		256,523	256,119
Non-Guarantor Subsidiaries | Reportable Legal Entities | Lennar Homebuilding
Adjustments to reconcile net earnings to net cash (used in) provided by operating activities:
Equity in (earnings) loss from unconsolidated entities		156	(26)
Non-Guarantor Subsidiaries | Reportable Legal Entities | Rialto
Adjustments to reconcile net earnings to net cash (used in) provided by operating activities:
Equity in (earnings) loss from unconsolidated entities		(9,114)	(722)
Non-Guarantor Subsidiaries | Reportable Legal Entities | Lennar Multifamily
Adjustments to reconcile net earnings to net cash (used in) provided by operating activities:
Equity in (earnings) loss from unconsolidated entities		(2,742)	(23,147)
Non-Guarantor Subsidiaries | Unsecured Revolving Credit Facility | Reportable Legal Entities
Cash flows from financing activities:
Net borrowings under revolving lines of credit		0	0
Non-Guarantor Subsidiaries | Warehouse Repurchase Facility | Reportable Legal Entities
Cash flows from financing activities:
Net borrowings under revolving lines of credit		(344,484)	$ (543,331)
Senior Notes
Cash flows from financing activities:
Debt issuance costs		(12,039)
Senior Notes | Consolidating Adjustments
Cash flows from financing activities:
Debt issuance costs		0
Senior Notes | Lennar Corporation | Reportable Legal Entities
Cash flows from financing activities:
Debt issuance costs		(9,117)
Senior Notes | Guarantor Subsidiaries | Reportable Legal Entities
Cash flows from financing activities:
Debt issuance costs		0
Senior Notes | Non-Guarantor Subsidiaries | Reportable Legal Entities
Cash flows from financing activities:
Debt issuance costs		$ (2,922)

[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, 2018, total assets include $864.8 million related to consolidated VIEs of which $7.6 million is included in Lennar Homebuilding cash and cash equivalents, $0.1 million in Lennar Homebuilding receivables, net, $45.4 million in Lennar Homebuilding finished homes and construction in progress, $308.8 million in Lennar Homebuilding land and land under development, $366.7 million in Lennar Homebuilding consolidated inventory not owned, $4.5 million in Lennar Homebuilding investments in unconsolidated entities, $11.7 million in Lennar Homebuilding other assets, $20.0 million in Rialto assets and $100.0 million in Lennar Multifamily assets. As of November 30, 2017, total assets include $799.4 million related to consolidated VIEs of which $15.8 million is included in Lennar Homebuilding cash and cash equivalents, $0.2 million in Lennar Homebuilding receivables, net, $53.2 million in Lennar Homebuilding finished homes and construction in progress, $229.0 million in Lennar Homebuilding land and land under development, $393.3 million in Lennar Homebuilding consolidated inventory not owned, $4.6 million in Lennar Homebuilding investments in unconsolidated entities, $11.8 million in Lennar Homebuilding other assets, $48.8 million in Rialto assets and $42.7 million in Lennar Multifamily assets.