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Construction and Development, Remaining Costs to Complete, Percent

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The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

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The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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The price per share of the conversion feature embedded in the debt instrument.

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Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

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The number of equity instruments that the holder of the debt instrument would receive if the debt was converted to equity.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible debt securities using the if-converted method.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

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The cash outflow from the repayment of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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Lennar Homebuilding Senior Notes and Other Debts Payable (Narrative) (Details)	1 Months Ended	3 Months Ended		9 Months Ended
	Mar. 31, 2016 USD ($)	Aug. 31, 2016 USD ($) $ / shares shares	Aug. 31, 2015 shares	Aug. 31, 2016 USD ($) shares $ / shares	Aug. 31, 2015 USD ($) shares	Jun. 30, 2016 USD ($)	May 31, 2016 USD ($)	Nov. 30, 2015 USD ($)	Jun. 29, 2015 USD ($)
Debt Instrument [Line Items]
Shares included in the calculation of diluted earnings per share \| shares		8,266,000	24,102,000	14,399,000	26,506,000
Repayments on convertible notes				$ 233,893,000	$ 168,854,000
Surety Bond \| Pending Litigation \| District of Maryland
Debt Instrument [Line Items]
Outstanding performance and surety bonds									$ 223,400,000
Senior Notes
Debt Instrument [Line Items]
Net proceeds from debt				$ 495,043,000	$ 743,415,000
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]
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		$ 1,400,000,000		$ 1,400,000,000
Uncompleted site improvements amount		497,800,000		$ 497,800,000
Uncompleted site improvements percent				36.00%
Lennar Homebuilding \| Unsecured revolving credit facility
Debt Instrument [Line Items]
Maximum borrowing capacity						$ 1,800,000,000	$ 1,600,000,000
Accordion feature						318,000,000
Lennar Homebuilding \| Unsecured revolving credit facility \| Credit Facility Due in June 2020
Debt Instrument [Line Items]
Maximum borrowing capacity						1,300,000,000
Lennar Homebuilding \| Unsecured revolving credit facility \| Credit Facility Due in June 2018
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		261,800,000		261,800,000				$ 236,500,000
Lennar Homebuilding \| Financial Letters of Credit
Debt Instrument [Line Items]
Letters of credit outstanding		214,000,000.0		214,000,000.0				216,700,000
Lennar Homebuilding \| Senior Notes
Debt Instrument [Line Items]
Debt issuance cost		$ 23,900,000		$ 23,900,000				26,400,000
Conversion of debt to equity, shares \| shares				10,300,000
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
Lennar Homebuilding \| Senior Notes \| 6.50% senior notes due 2016
Debt Instrument [Line Items]
Interest rate	6.50%
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				6,680,405
Debt instrument, convertible, conversion price (in dollars per share) \| $ / shares		$ 23.50		$ 23.50
Shares included in the calculation of diluted earnings per share \| shares		8,300,000	17,000,000	13,800,000	17,000,000.0
Conversion of debt to equity, amount				$ 243,000,000
Outstanding principal on long-term debt		$ 157,000,000.0		$ 157,000,000.0				$ 400,000,000.0
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
Shares included in the calculation of diluted earnings per share \| shares			7,100,000	600,000	9,500,000
Conversion of debt to equity, shares \| shares				5,200,000
Debt conversion, original debt				$ 234,000,000
Repayments on convertible notes				$ 234,000,000