Lennar Homebuilding Senior Notes and Other Debts Payable (Narrative) (Details)		1 Months Ended		3 Months Ended		6 Months Ended
		Jul. 01, 2016 USD ($) shares	Mar. 31, 2016 USD ($)	May 31, 2016 USD ($) $ / shares shares	May 31, 2015 shares	May 31, 2016 USD ($) shares $ / shares	May 31, 2015 USD ($) shares	Nov. 30, 2015 USD ($)	Jun. 29, 2015 USD ($)
Debt Instrument [Line Items]
Net proceeds from debt						$ 495,228,000	$ 744,115,000
Conversion of debt to equity, amount						$ 67,535,000	$ 0
Shares included in the calculation of diluted earnings per share | shares				16,312,000	28,041,000	17,466,000	27,708,000
Repayments on convertible notes						$ 233,893,000	$ 0
Surety Bond | Pending Litigation | District of Maryland
Debt Instrument [Line Items]
Outstanding performance and surety bonds									$ 223,400,000
Senior Notes | 4.750% senior notes due 2021
Debt Instrument [Line Items]
Interest rate				4.75%		4.75%
Senior Notes | 3.25% convertible senior notes due 2021
Debt Instrument [Line Items]
Interest rate				3.25%		3.25%
Lennar Homebuilding
Debt Instrument [Line Items]
Long-term debt outstanding	[1]			$ 5,316,235,000		$ 5,316,235,000		$ 5,025,130,000
Guarantee by subsidiaries						$ 75,000,000
Lennar Homebuilding | 4.750% senior notes due 2021
Debt Instrument [Line Items]
Interest rate				4.75%		4.75%		4.75%
Lennar Homebuilding | 6.50% senior notes due 2016
Debt Instrument [Line Items]
Interest rate				6.50%		6.50%		6.50%
Lennar Homebuilding | 3.25% convertible senior notes due 2021
Debt Instrument [Line Items]
Interest rate				3.25%		3.25%		3.25%
Lennar Homebuilding | 2.75% convertible senior notes due 2020
Debt Instrument [Line Items]
Interest rate				2.75%		2.75%		2.75%
Lennar Homebuilding | Surety Bond
Debt Instrument [Line Items]
Outstanding performance and surety bonds				$ 1,300,000,000		$ 1,300,000,000
Uncompleted site improvements amount				468,400,000		$ 468,400,000
Uncompleted site improvements percent						36.00%
Lennar Homebuilding | Unsecured revolving credit facility
Debt Instrument [Line Items]
Maximum borrowing capacity				1,600,000,000		$ 1,600,000,000
Accordion feature				163,000,000		163,000,000
Long-term debt outstanding				375,000,000		375,000,000		$ 0
Lennar Homebuilding | Unsecured revolving credit facility | Subsequent Event
Debt Instrument [Line Items]
Maximum borrowing capacity		$ 1,800,000,000
Accordion feature		318,000,000
Lennar Homebuilding | Unsecured revolving credit facility | Credit Facility Due in June 2019
Debt Instrument [Line Items]
Maximum borrowing capacity				1,300,000,000		1,300,000,000
Lennar Homebuilding | Unsecured revolving credit facility | Credit Facility Due in June 2020 | Subsequent Event
Debt Instrument [Line Items]
Maximum borrowing capacity		1,300,000,000
Lennar Homebuilding | Unsecured revolving credit facility | Credit Facility Due in June 2018 | Subsequent Event
Debt Instrument [Line Items]
Maximum borrowing capacity		$ 160,000,000
Lennar Homebuilding | Letter of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity				320,000,000		320,000,000
Lennar Homebuilding | Performance Letters of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity				500,000,000		500,000,000
Letters of credit outstanding				270,800,000		270,800,000		236,500,000
Lennar Homebuilding | Financial Letters of Credit
Debt Instrument [Line Items]
Letters of credit outstanding				216,600,000		216,600,000		216,700,000
Lennar Homebuilding | Senior Notes
Debt Instrument [Line Items]
Debt issuance cost				26,100,000		$ 26,100,000		26,400,000
Conversion of debt to equity, shares | shares						2,900,000
Lennar Homebuilding | Senior Notes | Subsequent Event
Debt Instrument [Line Items]
Conversion of debt to equity, shares | shares		5,800,000
Lennar Homebuilding | Senior Notes | 4.750% senior notes due 2021
Debt Instrument [Line Items]
Debt principal amount			$ 500,000,000
Interest rate			4.75%
Debt proceeds as a percentage of face value			100.00%
Net proceeds from debt			$ 496,000,000.0
Long-term debt outstanding				496,156,000		$ 496,156,000		0
Lennar Homebuilding | Senior Notes | 6.50% senior notes due 2016
Debt Instrument [Line Items]
Interest rate			6.50%
Long-term debt outstanding				$ 0		$ 0		249,905,000
Lennar Homebuilding | Senior Notes | 3.25% convertible senior notes due 2021
Debt Instrument [Line Items]
Interest rate				3.25%		3.25%
Convertible debt instrument, conversion ratio						0.0425555
Convertible debt instrument, number of equity Instruments | shares						17,022,200
Debt instrument, convertible, conversion price (in dollars per share) | $ / shares				$ 23.50		$ 23.50
Conversion of debt to equity, amount						$ 68,000,000
Outstanding principal on long-term debt				$ 332,500,000		332,500,000		400,000,000.0
Long-term debt outstanding				$ 331,698,000		$ 331,698,000		398,194,000
Lennar Homebuilding | Senior Notes | 3.25% convertible senior notes due 2021 | Subsequent Event
Debt Instrument [Line Items]
Conversion of debt to equity, amount		$ 137,000,000
Lennar Homebuilding | Senior Notes | 2.75% convertible senior notes due 2020
Debt Instrument [Line Items]
Interest rate				2.75%		2.75%
Convertible debt instrument, conversion ratio						0.0451794
Debt instrument, convertible, conversion price (in dollars per share) | $ / shares				$ 22.13		$ 22.13
Conversion of debt to equity, shares | shares						5,200,000
Long-term debt outstanding				$ 0		$ 0		$ 233,225,000
Shares included in the calculation of diluted earnings per share | shares				100,000	11,000,000.0	800,000	10,700,000
Debt conversion, original debt						$ 234,000,000
Repayments on convertible notes						$ 234,000,000

[1] As of May 31, 2016, total liabilities include $146.5 million related to consolidated VIEs as to which there was no recourse against the Company, of which $1.7 million is included in Lennar Homebuilding accounts payable, $115.8 million in Lennar Homebuilding liabilities related to consolidated inventory not owned, $1.8 million in Lennar Homebuilding other liabilities, $11.3 million in Rialto liabilities and $15.9 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.