Rialto Segment (Narrative) (Details)		1 Months Ended			3 Months Ended		6 Months Ended	12 Months Ended
		Nov. 30, 2014 USD ($)	Mar. 31, 2014 USD ($)	Sep. 30, 2010 USD ($)	Feb. 29, 2016 USD ($)	Feb. 28, 2015 USD ($)	May. 31, 2014 USD ($)	Nov. 30, 2015 USD ($)	Nov. 30, 2013 USD ($)	Dec. 31, 2014 USD ($)	Sep. 30, 2010 USD ($)	Sep. 30, 2010 loans	Sep. 30, 2010 properties	Feb. 28, 2010
Segment Reporting Information [Line Items]
Net Income (Loss) Attributable to Noncontrolling Interest					$ 1,372,000	$ 1,954,000
Total consolidated VIEs assets					582,074,000			$ 652,253,000
Total consolidated VIEs liabilities					60,276,000			84,354,000
Accrual loans					88,089,000			76,132,000
Originations of loans receivable					10,046,000	0
Proceeds from issuance of senior long-term debt					0	250,625,000
Notes payable					5,333,981,000			$ 5,025,130,000
Stock Award Incentive Plan, Employee Distribution Percentage								40.00%
FDIC [Member]
Segment Reporting Information [Line Items]
Managing member equity interests acquired														40.00%
Bank Portfolios [Member]
Segment Reporting Information [Line Items]
Number of distressed residential and commercial real estate loans | loans												400
Number of real estate owned properties				300									300
Payments For Purchase Of Real Estate Assets				$ 310,000,000
Notes payable					30,311,000			$ 30,311,000			$ 124,000,000
Debt instrument, maturity period				5 years
Commercial Mortgage Backed Securities [Member]
Segment Reporting Information [Line Items]
Other than temporary impairment on investment securities					0	0
Real Estate Funds [Member]
Segment Reporting Information [Line Items]
Revenue From Accretable Interest Income And Other Services					4,900,000	6,500,000
Rialto [Member]
Segment Reporting Information [Line Items]
Provision for Loan, Lease, and Other Losses					2,339,000	1,224,000
Net Income (Loss) Attributable to Noncontrolling Interest					(339,000)	(1,814,000)
Average recorded investment in loans					84,000,000	123,000,000
Gains (losses) upon acquisition of REO					2,717,000
Originations of loans receivable					315,285,000
Accounts Receivable from Securitization								151,753,000
Line of credit facility, amount outstanding					146,276,000			317,104,000
Notes payable	[1]				609,150,000			771,728,000
Revenue From Accretable Interest Income And Other Services					43,711,000	41,197,000
Investments held-to-maturity	[2]				49,309,000			25,625,000
Other Investments and Securities, at Cost										$ 18,000,000
7% Senior Notes due 2018 [Member]
Segment Reporting Information [Line Items]
Debt instrument, face amount			$ 100,000,000						$ 250,000,000
Rate Premium Discount Senior Debt			102.25%						100.00%
Interest rate									7.00%
Proceeds from issuance of senior long-term debt			$ 346,700,000
7% Senior Notes due 2018 [Member] | Rialto [Member]
Segment Reporting Information [Line Items]
Proceeds from (repayments of) related party debt									$ (100,000,000)
Senior notes					348,130,000			347,944,000
2.85% Notes [Member] | Rialto [Member]
Segment Reporting Information [Line Items]
Debt instrument, face amount							$ 73,830,000
Rate Premium Discount Senior Debt							100.00%
Interest rate							2.85%
Proceeds from issuance of senior long-term debt							$ 69,050,000
Notes payable					31,119,000			31,317,000
5.0% Notes Payable [Member] | Rialto [Member]
Segment Reporting Information [Line Items]
Debt instrument, face amount		$ 20,824,000
Rate Premium Discount Senior Debt		99.50%
Interest rate		5.00%
Proceeds from issuance of senior long-term debt		$ 20,749,000
Loans Held-For-Sale [Member] | Rialto [Member]
Segment Reporting Information [Line Items]
Originations of loans receivable					305,785,000	565,515,000
Proceeds from sale of loans held-for-sale					380,166,000	$ 318,104,000
Rialto Consolidated VIEs [Member]
Segment Reporting Information [Line Items]
Total consolidated VIEs assets					307,446,000			355,204,000
Total consolidated VIEs liabilities					11,678,000			$ 11,257,000
Convertible Land Loan [Member]
Segment Reporting Information [Line Items]
Accrual loans					18,109,000
Commercial Property Loan [Member]
Segment Reporting Information [Line Items]
Accrual loans					$ 69,980,000
Minimum [Member] | Commercial Mortgage Backed Securities [Member]
Segment Reporting Information [Line Items]
Discount on investment percentage					39.00%
Investments interest rate					3.00%
Maximum [Member] | Commercial Mortgage Backed Securities [Member]
Segment Reporting Information [Line Items]
Discount on investment percentage					55.00%
Investments interest rate					4.00%
Performing Financing Receivable [Member] | Rialto [Member]
Segment Reporting Information [Line Items]
Originations of loans receivable					$ 9,500,000

[1] As of February 29, 2016, total liabilities include $60.3 million related to consolidated VIEs as to which there was no recourse against the Company, of which $3.0 million is included in Lennar Homebuilding accounts payable, $19.9 million in Lennar Homebuilding liabilities related to consolidated inventory not owned, $21.7 million in Lennar Homebuilding other liabilities, $11.7 million in Rialto liabilities and $4.0 million in Lennar Multifamily liabilities.As of November 30, 2015, total liabilities include $84.4 million related to consolidated VIEs as to which there was no recourse against the Company, of which $2.0 million is included in Lennar Homebuilding accounts payable, $51.4 million in Lennar Homebuilding liabilities related to consolidated inventory not owned, $15.6 million in Lennar Homebuilding other liabilities, $11.3 million in Rialto liabilities and $4.0 million in Lennar Multifamily liabilities.

[2] 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 29, 2016, total assets include $582.1 million related to consolidated VIEs of which $11.0 million is included in Lennar Homebuilding cash and cash equivalents, $5.8 million in Lennar Homebuilding receivables, net, $5.5 million in Lennar Homebuilding finished homes and construction in progress, $162.8 million in Lennar Homebuilding land and land under development, $20.3 million in Lennar Homebuilding consolidated inventory not owned, $34.8 million in Lennar Homebuilding investments in unconsolidated entities, $22.3 million in Lennar Homebuilding other assets, $307.4 million in Rialto assets and $12.2 million in Lennar Multifamily assets.As of November 30, 2015, total assets include $652.3 million related to consolidated VIEs of which $9.6 million is included in Lennar Homebuilding cash and cash equivalents, $0.5 million in Lennar Homebuilding receivables, net, $3.9 million in Lennar Homebuilding finished homes and construction in progress, $154.2 million in Lennar Homebuilding land and land under development, $58.9 million in Lennar Homebuilding consolidated inventory not owned, $35.8 million in Lennar Homebuilding investments in unconsolidated entities, $22.7 million in Lennar Homebuilding other assets, $355.2 million in Rialto assets and $11.5 million in Lennar Multifamily assets.