Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	May 31, 2012		May 31, 2011
Cash flows from operating activities:
Net earnings (including net earnings (loss) attributable to noncontrolling interests)	$ 462,401		$ 63,573
Adjustments to reconcile net earnings (including net earnings (loss) attributable to noncontrolling interests) to net cash provided by (used in) operating activities:
Depreciation and amortization	12,491		7,651
Amortization of discount/premium on debt, net	10,750		8,400
Share based compensation expense	15,932		11,506
Excess tax benefits from share-based awards	0		(261)
Deferred Income Tax Expense (Benefit)	(403,012)		0
Changes in assets and liabilities:
Decrease in restricted cash	985		2,658
Decrease in receivables	74,900		19,783
Increase in inventories, excluding valuation adjustments and write-offs of option deposits and pre-acquisition costs	(329,933)		(50,724)
Increase in other assets	(16,445)		(40,923)
Decrease in accounts payable and other liabilities	(66,403)		(81,381)
Net cash provided by (used in) operating activities	(213,807)		4,609
Cash flows from investing activities:
Net disposals (additions) of operating properties and equipment	390		(1,307)
Proceeds from maturities of Lennar Financial Services investment securities	1,073		283
Net cash provided by (used in) investing activities	178,196		(95,564)
Cash flows from financing activities:
Proceeds from Issuance of Senior Long-term Debt	50,000		0
Debt issuance costs	(1,035)		0
Principal repayments on Rialto Investments notes payable	(170,589)		0
Proceeds from other borrowings	30,546		1,209
Principal payments on other borrowings	(42,067)		(62,712)
Exercise of land option contracts from an unconsolidated land investment venture	(16,490)		(17,264)
Receipts related to noncontrolling interests	888		5,222
Payments related to noncontrolling interests	(145)		(6,164)
Excess tax benefits from share-based awards	0		261
Common stock:
Issuances	12,074		4,853
Repurchases	0		(10)
Dividends	(15,132)		(14,946)
Net cash used in financing activities	(298,611)		(171,726)
Net decrease in cash and cash equivalents	(334,222)		(262,681)
Cash and cash equivalents at beginning of period	1,163,604		1,394,135
Cash and cash equivalents at end of period	829,382		1,131,454
Consolidations of newly formed or previously unconsolidated entities, net
Inventories	0		49,522
Other assets	0		3,707
Debts payable	0		(14,703)
Other liabilities	0		(9,423)
Noncontrolling interests	0		(529)
Lennar Homebuilding [Member]
Adjustments to reconcile net earnings (including net earnings (loss) attributable to noncontrolling interests) to net cash provided by (used in) operating activities:
Equity in earnings from unconsolidated entities	8,298		(11,078)
Distributions of earnings from unconsolidated entities	954		11,361
Gains on retirement of Lennar Homebuilding other debts payable	(988)		0
Valuation adjustments and write-offs of option deposits and pre-acquisition costs, other receivables and other assets	6,566		22,092
Cash flows from investing activities:
Investments in and contributions to unconsolidated entities	(44,843)		(75,901)
Distributions of capital from unconsolidated entities	21,180		13,841
Purchases of Lennar Homebuilding investments available-for-sale	(7,224)		0
Proceeds from sales of Lennar Homebuilding investments available-for-sale	6,436		0
Common stock:
Cash and cash equivalents at beginning of period	1,024,212	[1]
Cash and cash equivalents at end of period	667,111	[1]	945,155
Supplemental disclosures of non-cash investing and financing activities:
Non-cash contributions to unconsolidated entities	7,612		14,949
Non-cash distributions from unconsolidated entities	0		12,043
Inventory acquired in satisfaction of other assets including investments available-for-sale	90,385		0
Non-cash purchases of investments available-for-sale	12,520		0
Purchases of inventories financed by sellers	61,872		15,932
Consolidations of newly formed or previously unconsolidated entities, net
Investments in Lennar Homebuilding unconsolidated entities	0		(28,574)
Rialto Investments [Member]
Adjustments to reconcile net earnings (including net earnings (loss) attributable to noncontrolling interests) to net cash provided by (used in) operating activities:
Equity in earnings from unconsolidated entities	(24,027)		(1,552)
Distributions of earnings from unconsolidated entities	4,110		2,386
Unrealized and realized gains on Rialto Investments real estate owned	(12,101)		(35,336)
Gains on sale of Rialto Investments commercial mortgage-backed securities	0		(4,700)
Valuation adjustments and write-offs of option deposits and pre-acquisition costs, other receivables and other assets	7,166		6,942
Cash flows from investing activities:
Investments in and contributions to unconsolidated entities	(19,884)		(29,708)
Distributions of capital from unconsolidated entities	14,009		0
Decrease (increase) in Rialto Investments defeasance cash to retire notes payable	80,721		(58,300)
Receipts Of Principal Payments On Loans Receivable	41,788		38,079
Proceeds from sales of Rialto Investments real estate owned	91,473		20,851
Improvements in Rialto Investments real estate owned	(6,779)		(8,234)
Proceeds from sale of investments in commercial mortgage-backed securities	0		11,100
Common stock:
Cash and cash equivalents at beginning of period	83,938	[1]
Cash and cash equivalents at end of period	92,959	[1]	69,649
Supplemental disclosures of non-cash investing and financing activities:
Real estate owned acquired in satisfaction/partial satisfaction of loans receivable	107,370		253,904
Lennar Financial Services [Member]
Changes in assets and liabilities:
Decrease in Lennar Financial Services loans-held-for-sale	34,549		74,255
Cash flows from investing activities:
Decrease in Lennar Financial Services loans held-for-investment, net	1,660		(1,015)
Purchases of Lennar Financial Services investment securities	(1,804)		(5,280)
Cash flows from financing activities:
Net repayments under Lennar Financial Services debt	(146,661)		(82,175)
Common stock:
Cash and cash equivalents at beginning of period	55,454
Cash and cash equivalents at end of period	69,312		116,650
Supplemental disclosures of non-cash investing and financing activities:
Purchases of Lennar Financial Services investment securities	$ 0		$ 46,660

[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 May 31, 2012, total assets include $2,136.9 million related to consolidated VIEs of which $17.1 million is included in Lennar Homebuilding cash and cash equivalents, $1.3 million in Lennar Homebuilding restricted cash, $6.9 million in Lennar Homebuilding receivables, net, $17.0 million in Lennar Homebuilding finished homes and construction in progress, $511.2 million in Lennar Homebuilding land and land under development, $65.5 million in Lennar Homebuilding consolidated inventory not owned, $43.8 million in Lennar Homebuilding investments in unconsolidated entities, $218.9 million in Lennar Homebuilding other assets, $92.3 million in Rialto Investments cash and cash equivalents, $138.7 million in Rialto Investments defeasance cash to retire notes payable, $464.1 million in Rialto Investments loans receivable, net, $91.0 million in Rialto Investments real estate owned, held-for-sale, $460.4 million in Rialto Investments real estate owned, held-and-used, net, $0.6 million in Rialto Investments in unconsolidated entities and $8.1 million in Rialto Investments other assets.As of November 30, 2011, total assets include $2,317.4 million related to consolidated VIEs of which $19.6 million is included in Lennar Homebuilding cash and cash equivalents, $5.3 million in Lennar Homebuilding receivables, net, $0.1 million in Lennar Homebuilding finished homes and construction in progress, $538.2 million in Lennar Homebuilding land and land under development, $71.6 million in Lennar Homebuilding consolidated inventory not owned, $43.4 million in Lennar Homebuilding investments in unconsolidated entities, $219.6 million in Lennar Homebuilding other assets, $80.0 million in Rialto Investments cash and cash equivalents, $219.4 million in Rialto Investments defeasance cash to retire notes payable, $565.6 million in Rialto Investments loans receivable, net, $115.4 million in Rialto Investments real estate owned, held-for-sale, $428.0 million in Rialto Investments real estate owned, held-and-used, net, $0.6 million in Rialto Investments in unconsolidated entities and $10.6 million in Rialto Investments other assets.