Lennar Homebuilding Senior Notes and Other Debts Payable (Schedule of Senior Notes and Other Debts Payable) (Details) - USD ($) $ in Thousands		Feb. 28, 2017	Jan. 31, 2017	Nov. 30, 2016
Senior Notes | 12.25% senior notes due 2017
Debt Instrument [Line Items]
Interest rate		12.25%
Senior Notes | 4.75% senior notes due December 2017
Debt Instrument [Line Items]
Interest rate		4.75%
Senior Notes | 6.95% senior notes due 2018
Debt Instrument [Line Items]
Interest rate		6.95%
Senior Notes | 4.125% senior notes due December 2018
Debt Instrument [Line Items]
Interest rate		4.125%
Senior Notes | 4.500% senior notes due 2019
Debt Instrument [Line Items]
Interest rate		4.50%
Senior Notes | 4.50% senior notes due 2019
Debt Instrument [Line Items]
Interest rate		4.50%
Senior Notes | 4.750% senior notes due 2021
Debt Instrument [Line Items]
Interest rate		4.75%
Senior Notes | 4.750% senior notes due 2022
Debt Instrument [Line Items]
Interest rate		4.75%
Senior Notes | 4.875% senior notes due December 2023
Debt Instrument [Line Items]
Interest rate		4.875%
Senior Notes | 4.750% senior notes due 2025
Debt Instrument [Line Items]
Interest rate		4.75%
Lennar Homebuilding
Debt Instrument [Line Items]
Senior notes and other debts payable	[1]	$ 5,778,306		$ 4,575,977
Lennar Homebuilding | 12.25% senior notes due 2017
Debt Instrument [Line Items]
Interest rate		12.25%
Lennar Homebuilding | 4.75% senior notes due December 2017
Debt Instrument [Line Items]
Interest rate		4.75%
Lennar Homebuilding | 6.95% senior notes due 2018
Debt Instrument [Line Items]
Interest rate		6.95%
Lennar Homebuilding | 4.125% senior notes due December 2018
Debt Instrument [Line Items]
Interest rate		4.125%
Lennar Homebuilding | 4.500% senior notes due 2019
Debt Instrument [Line Items]
Interest rate		4.50%
Lennar Homebuilding | 4.50% senior notes due 2019
Debt Instrument [Line Items]
Interest rate		4.50%
Lennar Homebuilding | 4.750% senior notes due 2021
Debt Instrument [Line Items]
Interest rate		4.75%
Lennar Homebuilding | 6.875% senior notes due 2021
Debt Instrument [Line Items]
Interest rate		6.875%
Lennar Homebuilding | 4.125% senior notes due 2022
Debt Instrument [Line Items]
Interest rate		4.125%
Lennar Homebuilding | 4.750% senior notes due 2022
Debt Instrument [Line Items]
Interest rate		4.75%
Lennar Homebuilding | 4.875% senior notes due December 2023
Debt Instrument [Line Items]
Interest rate		4.875%
Lennar Homebuilding | 4.750% senior notes due 2025
Debt Instrument [Line Items]
Interest rate		4.75%
Lennar Homebuilding | Senior Notes | 12.25% senior notes due 2017
Debt Instrument [Line Items]
Senior notes and other debts payable		$ 399,095		398,232
Lennar Homebuilding | Senior Notes | 4.75% senior notes due December 2017
Debt Instrument [Line Items]
Senior notes and other debts payable		398,665		398,479
Lennar Homebuilding | Senior Notes | 6.95% senior notes due 2018
Debt Instrument [Line Items]
Senior notes and other debts payable		248,786		248,474
Lennar Homebuilding | Senior Notes | 4.125% senior notes due December 2018
Debt Instrument [Line Items]
Senior notes and other debts payable		274,031		273,889
Lennar Homebuilding | Senior Notes | 4.500% senior notes due 2019
Debt Instrument [Line Items]
Senior notes and other debts payable		498,176		498,002
Lennar Homebuilding | Senior Notes | 4.50% senior notes due 2019
Debt Instrument [Line Items]
Senior notes and other debts payable		597,719		597,474
Lennar Homebuilding | Senior Notes | 4.750% senior notes due 2021
Debt Instrument [Line Items]
Senior notes and other debts payable		496,743		496,547
Lennar Homebuilding | Senior Notes | 6.875% senior notes due 2021
Debt Instrument [Line Items]
Senior notes and other debts payable		$ 262,422		0
Interest rate		6.875%
Outstanding principal on long-term debt		$ 249,800
Lennar Homebuilding | Senior Notes | 4.125% senior notes due 2022
Debt Instrument [Line Items]
Senior notes and other debts payable		595,272		0
Interest rate			4.125%
Lennar Homebuilding | Senior Notes | 4.750% senior notes due 2022
Debt Instrument [Line Items]
Senior notes and other debts payable		568,565		568,404
Lennar Homebuilding | Senior Notes | 4.875% senior notes due December 2023
Debt Instrument [Line Items]
Senior notes and other debts payable		394,470		394,170
Lennar Homebuilding | Senior Notes | 4.750% senior notes due 2025
Debt Instrument [Line Items]
Senior notes and other debts payable		496,338		496,226
Lennar Homebuilding | Mortgage notes on land and other debt
Debt Instrument [Line Items]
Senior notes and other debts payable		298,024		206,080
Lennar Homebuilding | Unsecured revolving credit facility
Debt Instrument [Line Items]
Senior notes and other debts payable		$ 250,000		$ 0

[1] As of February 28, 2017, total liabilities include $170.1 million related to consolidated VIEs as to which there was no recourse against the Company, of which $4.2 million is included in Lennar Homebuilding accounts payable, $153.4 million in Lennar Homebuilding liabilities related to consolidated inventory not owned, $2.9 million in Lennar Homebuilding other liabilities and $9.6 million in Rialto liabilities.As of November 30, 2016, total liabilities include $126.4 million related to consolidated VIEs as to which there was no recourse against the Company, of which $3.6 million is included in Lennar Homebuilding accounts payable, $110.0 million in Lennar Homebuilding liabilities related to consolidated inventory not owned, $2.5 million in Lennar Homebuilding other liabilities and $10.3 million in Rialto liabilities.