Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands		9 Months Ended
		Aug. 31, 2018	Aug. 31, 2017
Cash flows from operating activities:
Net earnings (including net earnings (loss) attributable to noncontrolling interests)		$ 919,286	$ 473,972
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization		66,714	46,907
Amortization of discount/premium and accretion on debt, net		(17,750)	7,079
Equity in loss (earnings) from unconsolidated entities		8,115	(12,838)
Distributions of earnings from unconsolidated entities		90,431	59,927
Share-based compensation expense		55,638	43,303
Excess tax benefits from share-based awards		0	(1,980)
Deferred income tax (benefit) expense		188,132	(4,027)
Gain on sale of operating properties and equipment		(5,107)	0
Gain on sale of interest in unconsolidated entity		(164,880)	0
Unrealized and realized gains on real estate owned		(2,912)	(5,064)
Impairments of loans receivable, loans held-for-sale and real estate owned		8,526	60,237
Valuation adjustments and write-offs of option deposits and pre-acquisition costs		40,531	13,462
Changes in assets and liabilities:
Decrease in restricted cash		22,254	9,321
(Increase) decrease in receivables		(13,341)	325,375
Increase in inventories, excluding valuation adjustments and write-offs of option deposits and pre-acquisition costs		(725,016)	(902,585)
Increase in other assets		(193,835)	(47,160)
Decrease in loans held-for-sale		130,528	118,930
Increase in accounts payable and other liabilities		341,357	142,854
Net cash provided by operating activities		748,671	327,713
Cash flows from investing activities:
Net additions of operating properties and equipment		(81,493)	(67,107)
Proceeds from the sale of operating properties and equipment		22,820	0
Proceeds from sale of investment in unconsolidated entity		199,654	0
Investments in and contributions to unconsolidated entities		(302,333)	(381,209)
Distributions of capital from unconsolidated entities		227,754	123,209
Proceeds from sales of real estate owned		28,697	72,952
Receipts of principal payment on loans held-for-sale		0	5,937
Receipts of principal payments on loans receivable and other		3,271	73,948
Originations of loans receivable		0	(57,375)
Purchases of commercial mortgage-backed securities bonds		(31,068)	(70,187)
Acquisitions, net of cash acquired		(1,103,338)	(611,399)
Increase in Lennar Financial Services loans held-for-investment, net		(2,062)	(7,862)
Purchases of Lennar Financial Services investment securities		(39,531)	(38,733)
Proceeds from maturities/sales of Lennar Financial Services investments securities		34,221	25,039
Decrease (increase) in restricted cash for investments		10,825	(23,750)
Other payments, net		(459)	(1,014)
Net cash used in investing activities		(1,033,042)	(957,551)
Cash flows from financing activities:
Proceeds from senior notes		0	1,250,000
Debt issuance costs		(12,459)	(16,697)
Redemption of senior notes		(825,000)	(658,595)
Conversions and exchanges on convertible senior notes		(59,145)	0
Proceeds from other borrowings		38,096	75,927
Principal payments on other borrowings		(85,265)	(55,295)
Payments related to other liabilities		(3,200)	0
Receipts related to noncontrolling interests		4,008	10,299
Payments related to noncontrolling interests		(68,627)	(61,782)
Excess tax benefits from share-based awards		0	1,980
Common stock:
Issuances		3,189	693
Repurchases		(49,490)	(27,104)
Dividends		(35,985)	(28,181)
Net cash provided by (used in) financing activities		(1,318,085)	138,035
Net decrease in cash and cash equivalents		(1,602,456)	(491,803)
Cash and cash equivalents at beginning of period		2,650,872	1,329,529
Cash and cash equivalents at end of period		1,048,416	837,726
Lennar Homebuilding and Lennar Multifamily:
Conversions and exchanges on convertible senior notes		217,154	0
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 provided by operating activities:
Equity in loss (earnings) from unconsolidated entities		41,904	42,691
Common stock:
Cash and cash equivalents at beginning of period	[1]	2,282,925
Cash and cash equivalents at end of period	[1]	833,274
Lennar Homebuilding and Lennar Multifamily:
Non-cash contributions to unconsolidated entities		91,709	62,659
Rialto
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in loss (earnings) from unconsolidated entities		(18,496)	(11,310)
Cash flows from financing activities:
Proceeds from Rialto notes payable		32,226	63,494
Principal payments on Rialto senior notes and other notes payable		(350,770)	(18,944)
Common stock:
Cash and cash equivalents at beginning of period		241,861
Cash and cash equivalents at end of period		36,343
Lennar Financial Services
Common stock:
Cash and cash equivalents at beginning of period		117,410
Cash and cash equivalents at end of period		165,051
Lennar Multifamily
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in loss (earnings) from unconsolidated entities		(15,293)	(44,219)
Common stock:
Cash and cash equivalents at beginning of period		8,676
Cash and cash equivalents at end of period		13,748
Lennar Homebuilding and Lennar Multifamily
Lennar Homebuilding and Lennar Multifamily:
Purchases of inventories and other assets financed by sellers		52,356	108,726
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)		(1,132,114)	(681,899)
Changes in assets and liabilities:
Net cash provided by operating activities		(1,132,114)	(681,899)
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		950,226	1,040,426
Cash flows from financing activities:
Redemption of senior notes		0	0
Conversions and exchanges on convertible senior notes		0
Excess tax benefits from share-based awards		0	0
Common stock:
Issuances		0	0
Repurchases		0	0
Dividends		1,217,114	841,899
Net cash provided by (used in) financing activities		181,888	(358,527)
Net decrease in cash and cash equivalents		0	0
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 provided by operating activities:
Equity in loss (earnings) from unconsolidated entities		0	0
Consolidating Adjustments | Rialto
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in loss (earnings) from unconsolidated entities		0	0
Consolidating Adjustments | Lennar Multifamily
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in loss (earnings) from unconsolidated entities		0	0
Operating Segments
Common stock:
Cash and cash equivalents at end of period		1,048,416	837,726
Operating Segments | Lennar Homebuilding
Common stock:
Cash and cash equivalents at end of period		833,274	564,591
Operating Segments | Rialto
Common stock:
Cash and cash equivalents at end of period		36,343	154,814
Operating Segments | Lennar Financial Services
Common stock:
Cash and cash equivalents at end of period		165,051	115,016
Operating Segments | Lennar Multifamily
Common stock:
Cash and cash equivalents at end of period		13,748	3,305
Unsecured Revolving Credit Facility
Cash flows from financing activities:
Net borrowings under credit facilities		195,300	0
Unsecured Revolving Credit Facility | Consolidating Adjustments
Cash flows from financing activities:
Net borrowings under credit facilities		0
Warehouse Repurchase Facility
Cash flows from financing activities:
Net borrowings under credit facilities		(100,963)	(397,760)
Warehouse Repurchase Facility | Consolidating Adjustments
Cash flows from financing activities:
Net borrowings under credit facilities		0	0
Lennar Corporation | Reportable Legal Entities
Cash flows from operating activities:
Net earnings (including net earnings (loss) attributable to noncontrolling interests)		899,683	500,890
Changes in assets and liabilities:
Net cash provided by operating activities		830,029	636,884
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)	(611,103)
Net cash used in investing activities		(2,159,704)	(1,737,703)
Cash flows from financing activities:
Redemption of senior notes		(735,626)	(400,000)
Conversions and exchanges on convertible senior notes		0
Excess tax benefits from share-based awards		0	1,980
Common stock:
Issuances		3,189	693
Repurchases		(49,490)	(27,104)
Dividends		(35,985)	(28,181)
Net cash provided by (used in) financing activities		(177,101)	787,477
Net decrease in cash and cash equivalents		(1,506,776)	(313,342)
Cash and cash equivalents at beginning of period		1,937,674	697,112
Cash and cash equivalents at end of period		430,898	383,770
Lennar Corporation | Reportable Legal Entities | Lennar Homebuilding
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in loss (earnings) from unconsolidated entities		0	0
Lennar Corporation | Reportable Legal Entities | Rialto
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in loss (earnings) from unconsolidated entities		0	0
Lennar Corporation | Reportable Legal Entities | Lennar Multifamily
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in loss (earnings) from unconsolidated entities		0	0
Lennar Corporation | Unsecured Revolving Credit Facility | Reportable Legal Entities
Cash flows from financing activities:
Net borrowings under credit facilities		650,000
Lennar Corporation | Warehouse Repurchase Facility | Reportable Legal Entities
Cash flows from financing activities:
Net borrowings under credit facilities		0	0
Guarantor Subsidiaries | Reportable Legal Entities
Cash flows from operating activities:
Net earnings (including net earnings (loss) attributable to noncontrolling interests)		1,055,410	591,711
Changes in assets and liabilities:
Net cash provided by operating activities		1,030,241	46,158
Cash flows from investing activities:
Proceeds from sale of investment in unconsolidated entity		199,654
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		22,654	0
Net cash used in investing activities		154,089	(188,546)
Cash flows from financing activities:
Redemption of senior notes		(89,374)	(258,595)
Conversions and exchanges on convertible senior notes		(59,145)
Excess tax benefits from share-based awards		0	0
Common stock:
Issuances		0	0
Repurchases		0	0
Dividends		(1,120,410)	(671,711)
Net cash provided by (used in) financing activities		(1,150,573)	(29,838)
Net decrease in cash and cash equivalents		33,757	(172,226)
Cash and cash equivalents at beginning of period		359,087	377,070
Cash and cash equivalents at end of period		392,844	204,844
Guarantor Subsidiaries | Reportable Legal Entities | Lennar Homebuilding
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in loss (earnings) from unconsolidated entities		41,904	42,675
Guarantor Subsidiaries | Reportable Legal Entities | Rialto
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in loss (earnings) from unconsolidated entities		0	0
Guarantor Subsidiaries | Reportable Legal Entities | Lennar Multifamily
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in loss (earnings) from unconsolidated entities		0	0
Guarantor Subsidiaries | Unsecured Revolving Credit Facility | Reportable Legal Entities
Cash flows from financing activities:
Net borrowings under credit facilities		(454,700)
Guarantor Subsidiaries | Warehouse Repurchase Facility | Reportable Legal Entities
Cash flows from financing activities:
Net borrowings under credit facilities		(81)	(78)
Non-Guarantor Subsidiaries | Reportable Legal Entities
Cash flows from operating activities:
Net earnings (including net earnings (loss) attributable to noncontrolling interests)		96,307	63,270
Changes in assets and liabilities:
Net cash provided by operating activities		20,515	326,570
Cash flows from investing activities:
Proceeds from sale of investment in unconsolidated entity		0
Proceeds from sales of real estate owned		28,697	72,952
Originations of loans receivable			(57,375)
Purchases of commercial mortgage-backed securities bonds		(31,068)	(70,187)
Acquisitions, net of cash acquired		36,350	(296)
Net cash used in investing activities		22,347	(71,728)
Cash flows from financing activities:
Redemption of senior notes		0	0
Conversions and exchanges on convertible senior notes		0
Excess tax benefits from share-based awards		0	0
Common stock:
Issuances		0	0
Repurchases		0	0
Dividends		(96,704)	(170,188)
Net cash provided by (used in) financing activities		(172,299)	(261,077)
Net decrease in cash and cash equivalents		(129,437)	(6,235)
Cash and cash equivalents at beginning of period		354,111	255,347
Cash and cash equivalents at end of period		224,674	249,112
Non-Guarantor Subsidiaries | Reportable Legal Entities | Lennar Homebuilding
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in loss (earnings) from unconsolidated entities		0	16
Non-Guarantor Subsidiaries | Reportable Legal Entities | Rialto
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in loss (earnings) from unconsolidated entities		(18,496)	(11,310)
Non-Guarantor Subsidiaries | Reportable Legal Entities | Lennar Multifamily
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in loss (earnings) from unconsolidated entities		(15,293)	(44,219)
Non-Guarantor Subsidiaries | Unsecured Revolving Credit Facility | Reportable Legal Entities
Cash flows from financing activities:
Net borrowings under credit facilities		0
Non-Guarantor Subsidiaries | Warehouse Repurchase Facility | Reportable Legal Entities
Cash flows from financing activities:
Net borrowings under credit facilities		(100,882)	$ (397,682)
Senior Notes
Cash flows from financing activities:
Debt issuance costs		(12,459)
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		(9,189)
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		$ (3,270)

[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 August 31, 2018, total assets include $775.7 million related to consolidated VIEs of which $48.5 million is included in Lennar Homebuilding cash and cash equivalents, $1.0 million in Lennar Homebuilding receivables, net, $78.4 million in Lennar Homebuilding finished homes and construction in progress, $243.7 million in Lennar Homebuilding land and land under development, $328.8 million in Lennar Homebuilding consolidated inventory not owned, $4.5 million in Lennar Homebuilding investments in unconsolidated entities, $10.5 million in Lennar Homebuilding other assets, $12.0 million in Rialto assets and $48.1 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.