Lennar Multifamily Segment (Condensed Financial Information by Equity Method Investments) (Details) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2017 USD ($) property	May 31, 2016 USD ($) property	May 31, 2017 USD ($) property	May 31, 2016 USD ($) property	Nov. 30, 2016 USD ($)
Liabilities and equity:
Equity in earnings (loss) from unconsolidated entities			$ 5,986	$ 35,422
Lennar Multifamily
Assets:
Cash and cash equivalents	$ 44,765		44,765		$ 43,658
Operating properties and equipment	2,658,080		2,658,080		2,210,627
Other assets	38,160		38,160		33,703
Total assets	2,741,005		2,741,005		2,287,988
Liabilities and equity:
Accounts payable and other liabilities	223,061		223,061		196,617
Notes payable	727,070		727,070		577,085
Equity	1,790,874		1,790,874		1,514,286
Total liabilities and equity	2,741,005		2,741,005		2,287,988
Debt issuance cost	17,100		17,100		$ 12,300
Revenues	13,975	$ 9,649	25,592	17,963
Costs and expenses	24,477	14,058	46,823	25,730
Other income (expense), net	28,190	30,272	78,729	70,394
Net earnings (loss) of unconsolidated entities	17,688	25,863	57,498	62,627
Equity in earnings (loss) from unconsolidated entities	9,427	14,008	32,574	33,694
Gain on disposition of assets	$ 11,400	$ 15,400	$ 37,400	$ 35,800
Number of operating properties sold | property	1	1	3	2
General Contractor Revenue	$ 84,600	$ 53,500	$ 160,400	$ 84,900
General Contractor Costs	83,300	51,700	157,000	82,300
Equity Method Investee | Lennar Multifamily
Segment Reporting Information [Line Items]
Management Fees Revenue	$ 15,200	$ 9,300	$ 28,100	$ 17,400