Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Feb. 28, 2019	Feb. 28, 2018
Cash flows from operating activities:
Net earnings (including net earnings (loss) attributable to noncontrolling interests)	$ 239,424	$ 136,817
Adjustments to reconcile net earnings to net cash used in operating activities:
Depreciation and amortization	18,362	19,570
Amortization of discount/premium and accretion on debt, net	(7,048)	40
Equity in loss from unconsolidated entities	5,710	2,431
Distributions of earnings from unconsolidated entities	3,489	3,542
Share-based compensation expense	16,899	17,766
Deferred income tax expense	65,879	33,788
Gain on sale of operating properties and equipment	0	(207)
Gain on sale of interest in unconsolidated entity and other Multifamily gain	(10,865)	(164,880)
Gain on sale of Financial Services' retail mortgage and real estate brokerage business	(1,663)	0
Unrealized and realized gains on real estate owned	(938)	(883)
Impairments of loans receivable, loans held-for-sale and real estate owned	0	5,486
Valuation adjustments and write-offs of option deposits and pre-acquisition costs	6,910	12,048
Changes in assets and liabilities:
Decrease (increase) in receivables	394,682	(22,406)
Increase in inventories, excluding valuation adjustments and write-offs of option deposits and pre-acquisition costs	(1,073,322)	(548,725)
Decrease (increase) in other assets	49,015	(26,582)
Decrease in loans held-for-sale	156,720	422,991
Decrease in accounts payable and other liabilities	(387,677)	(46,325)
Net cash used in operating activities	(524,423)	(155,529)
Cash flows from investing activities:
Net additions of operating properties and equipment	(27,395)	(40,810)
Proceeds from sale of investment in unconsolidated entity	17,790	175,179
Proceeds from sale of Financial Services' retail mortgage and real estate brokerage business	24,446	0
Investments in and contributions to unconsolidated entities	(133,917)	(62,575)
Distributions of capital from unconsolidated entities	70,080	20,927
Proceeds from sales of real estate owned	2,696	18,080
Purchases of commercial mortgage-backed securities bonds	0	(31,068)
Acquisitions, net of cash acquired	0	(1,076,771)
(Increase) decrease in Financial Services loans held-for-investment, net	(11,208)	1,590
Purchases of Financial Services investment securities	(31,305)	(20,894)
Proceeds from maturities/sales of Financial Services investments securities	9,442	10,473
Other proceeds, net	1,383	1,877
Net cash used in investing activities	(77,988)	(1,003,992)
Cash flows from financing activities:
Debt issuance costs	0	(12,039)
Proceeds from other borrowings	10,452	32,807
Principal payments on other borrowings	(92,983)	(115,548)
Payments related to other liabilities	(447)	(1,478)
Receipts related to noncontrolling interests	8,348	3,852
Payments related to noncontrolling interests	(11,297)	(23,760)
Common stock:
Issuances	607	0
Repurchases	(49,143)	(25,355)
Dividends	(12,860)	(9,617)
Net cash provided by (used in) financing activities	69,022	(450,349)
Net decrease in cash and cash equivalents and restricted cash	(533,389)	(1,609,870)
Cash and cash equivalents and restricted cash at beginning of period	1,595,978	2,694,084
Cash and cash equivalents and restricted cash at end of period	1,062,589	1,084,214
Consolidation/deconsolidation of unconsolidated/consolidated entities, net:
Inventories	0	35,430
Receivables	0	7,198
Operating properties and equipment and other assets	51,603	0
Investments in unconsolidated entities	(4,755)	(25,614)
Notes payable	(36,110)	0
Other liabilities	(1,844)	(17,014)
Noncontrolling interests	(8,894)	0
Homebuilding
Adjustments to reconcile net earnings to net cash used in operating activities:
Equity in loss from unconsolidated entities	13,756	14,128
Lennar Other
Adjustments to reconcile net earnings to net cash used in operating activities:
Equity in loss from unconsolidated entities	(8,330)	(8,955)
Multifamily
Adjustments to reconcile net earnings to net cash used in operating activities:
Equity in loss from unconsolidated entities	(10,581)	(2,742)
Lennar Homebuilding and Lennar Multifamily
Homebuilding and Multifamily:
Non-cash contributions to unconsolidated entities	0	523
Purchases of inventories and other assets financed by sellers	46,144	23,503
Equity component of acquisition consideration	0	5,070,006
Consolidating Adjustments
Cash flows from operating activities:
Net earnings (including net earnings (loss) attributable to noncontrolling interests)	(303,183)	(178,838)
Changes in assets and liabilities:
Net cash used in operating activities	(303,183)	(178,838)
Cash flows from investing activities:
Proceeds from sale of investment in unconsolidated entity		0
Proceeds from sale of Financial Services' retail mortgage and real estate brokerage business	0
Proceeds from sales of real estate owned	0	0
Purchases of commercial mortgage-backed securities bonds		0
Acquisitions, net of cash acquired		0
Net cash used in investing activities	1,121,791	921,113
Common stock:
Issuances	0
Repurchases	0	0
Dividends	303,183	178,838
Net cash provided by (used in) financing activities	(818,608)	(742,275)
Net decrease in cash and cash equivalents and restricted cash	0	0
Cash and cash equivalents and restricted cash at beginning of period	0	0
Cash and cash equivalents and restricted cash at end of period	0	0
Consolidating Adjustments | Homebuilding
Adjustments to reconcile net earnings to net cash used in operating activities:
Equity in loss from unconsolidated entities	0	0
Consolidating Adjustments | Lennar Other
Adjustments to reconcile net earnings to net cash used in operating activities:
Equity in loss from unconsolidated entities	0	0
Consolidating Adjustments | Multifamily
Adjustments to reconcile net earnings to net cash used in operating activities:
Equity in loss from unconsolidated entities	0	0
Operating Segments
Common stock:
Cash and cash equivalents and restricted cash at end of period	1,062,589	1,084,214
Operating Segments | Homebuilding
Common stock:
Cash and cash equivalents and restricted cash at end of period	865,426	756,747
Operating Segments | Financial Services
Common stock:
Cash and cash equivalents and restricted cash at end of period	166,751	208,524
Operating Segments | Lennar Other
Common stock:
Cash and cash equivalents and restricted cash at end of period	16,818	102,694
Operating Segments | Multifamily
Common stock:
Cash and cash equivalents and restricted cash at end of period	13,594	16,249
Unsecured Revolving Credit Facility
Cash flows from financing activities:
Net borrowings under credit facilities	725,000	45,300
Unsecured Revolving Credit Facility | Consolidating Adjustments
Cash flows from financing activities:
Net borrowings under credit facilities	0	0
Warehouse Repurchase Facility
Cash flows from financing activities:
Net borrowings under credit facilities	(508,655)	(344,511)
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)	239,910	136,215
Changes in assets and liabilities:
Net cash used in operating activities	198,590	30,400
Cash flows from investing activities:
Proceeds from sale of investment in unconsolidated entity		0
Proceeds from sale of Financial Services' retail mortgage and real estate brokerage business	0
Proceeds from sales of real estate owned	0	0
Purchases of commercial mortgage-backed securities bonds		0
Acquisitions, net of cash acquired		(1,140,392)
Net cash used in investing activities	(1,130,202)	(2,070,550)
Common stock:
Issuances	607
Repurchases	(49,143)	(25,355)
Dividends	(12,860)	(9,617)
Net cash provided by (used in) financing activities	663,604	455,911
Net decrease in cash and cash equivalents and restricted cash	(268,008)	(1,584,239)
Cash and cash equivalents and restricted cash at beginning of period	624,694	1,938,555
Cash and cash equivalents and restricted cash at end of period	356,686	354,316
Lennar Corporation | Reportable Legal Entities | Homebuilding
Adjustments to reconcile net earnings to net cash used in operating activities:
Equity in loss from unconsolidated entities	0	0
Lennar Corporation | Reportable Legal Entities | Lennar Other
Adjustments to reconcile net earnings to net cash used in operating activities:
Equity in loss from unconsolidated entities	0	0
Lennar Corporation | Reportable Legal Entities | Multifamily
Adjustments to reconcile net earnings to net cash used in operating activities:
Equity in loss from unconsolidated entities	0	0
Lennar Corporation | Unsecured Revolving Credit Facility | Reportable Legal Entities
Cash flows from financing activities:
Net borrowings under credit facilities	725,000	500,000
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)	289,343	167,049
Changes in assets and liabilities:
Net cash used in operating activities	(788,660)	(183,138)
Cash flows from investing activities:
Proceeds from sale of investment in unconsolidated entity		175,179
Proceeds from sale of Financial Services' retail mortgage and real estate brokerage business	21,517
Proceeds from sales of real estate owned	0	0
Purchases of commercial mortgage-backed securities bonds		0
Acquisitions, net of cash acquired		24,088
Net cash used in investing activities	(54,829)	164,388
Common stock:
Issuances	0
Repurchases	0	0
Dividends	(289,343)	(167,049)
Net cash provided by (used in) financing activities	610,666	93,397
Net decrease in cash and cash equivalents and restricted cash	(232,823)	74,647
Cash and cash equivalents and restricted cash at beginning of period	721,968	366,946
Cash and cash equivalents and restricted cash at end of period	489,145	441,593
Guarantor Subsidiaries | Reportable Legal Entities | Homebuilding
Adjustments to reconcile net earnings to net cash used in operating activities:
Equity in loss from unconsolidated entities	13,951	13,972
Guarantor Subsidiaries | Reportable Legal Entities | Lennar Other
Adjustments to reconcile net earnings to net cash used in operating activities:
Equity in loss from unconsolidated entities	3,346	159
Guarantor Subsidiaries | Reportable Legal Entities | Multifamily
Adjustments to reconcile net earnings to net cash used in operating activities:
Equity in loss from unconsolidated entities	0	0
Guarantor Subsidiaries | Unsecured Revolving Credit Facility | Reportable Legal Entities
Cash flows from financing activities:
Net borrowings under credit facilities	0	(454,700)
Guarantor Subsidiaries | Warehouse Repurchase Facility | Reportable Legal Entities
Cash flows from financing activities:
Net borrowings under credit facilities	5,801	(27)
Non-Guarantor Subsidiaries | Reportable Legal Entities
Cash flows from operating activities:
Net earnings (including net earnings (loss) attributable to noncontrolling interests)	13,354	12,391
Changes in assets and liabilities:
Net cash used in operating activities	368,830	176,047
Cash flows from investing activities:
Proceeds from sale of investment in unconsolidated entity		0
Proceeds from sale of Financial Services' retail mortgage and real estate brokerage business	2,929
Proceeds from sales of real estate owned	2,696	18,080
Purchases of commercial mortgage-backed securities bonds		(31,068)
Acquisitions, net of cash acquired		39,533
Net cash used in investing activities	(14,748)	(18,943)
Common stock:
Issuances	0
Repurchases	0	0
Dividends	(13,840)	(11,789)
Net cash provided by (used in) financing activities	(386,640)	(257,382)
Net decrease in cash and cash equivalents and restricted cash	(32,558)	(100,278)
Cash and cash equivalents and restricted cash at beginning of period	249,316	388,583
Cash and cash equivalents and restricted cash at end of period	216,758	288,305
Non-Guarantor Subsidiaries | Reportable Legal Entities | Homebuilding
Adjustments to reconcile net earnings to net cash used in operating activities:
Equity in loss from unconsolidated entities	(195)	156
Non-Guarantor Subsidiaries | Reportable Legal Entities | Lennar Other
Adjustments to reconcile net earnings to net cash used in operating activities:
Equity in loss from unconsolidated entities	(11,676)	(9,114)
Non-Guarantor Subsidiaries | Reportable Legal Entities | Multifamily
Adjustments to reconcile net earnings to net cash used in operating activities:
Equity in loss from unconsolidated entities	(10,581)	(2,742)
Non-Guarantor Subsidiaries | Unsecured Revolving Credit Facility | Reportable Legal Entities
Cash flows from financing activities:
Net borrowings under credit facilities	0	0
Non-Guarantor Subsidiaries | Warehouse Repurchase Facility | Reportable Legal Entities
Cash flows from financing activities:
Net borrowings under credit facilities	$ (514,456)	(344,484)
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)