Lennar Multifamily (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
	Feb. 29, 2016	Feb. 28, 2015	Nov. 30, 2015	Jul. 31, 2015
Segment Reporting Information [Line Items]
Proceeds from Equity Method Investment, Dividends or Distributions, Return of Capital	$ 69,356	$ 18,174
Lennar Multifamily [Member]
Segment Reporting Information [Line Items]
Non-recourse debt with completion guarantees	520,177		$ 466,724
Management Fees And Reimbursement Of Expenses From Unconsolidated Entities	8,111	4,522
General contractor revenue	31,405	31,935
General Contractor Costs	30,637	$ 31,329
Investments in unconsolidated entities	257,719		250,876
Lennar Multifamily Venture [Member]
Segment Reporting Information [Line Items]
Equity Commitment	300,000			$ 1,400,000
Investment Commitment				$ 504,000
Total equity commitment called	372,615
Total amount invested	133,746
Proceeds from Equity Method Investment, Dividends or Distributions, Return of Capital	43,611
Investments in unconsolidated entities	127,040		122,522
Financial Letters Of Credit [Member] | Lennar Multifamily [Member]
Segment Reporting Information [Line Items]
Letters of credit outstanding, amount	$ 36,930		$ 37,920