Commitments And Contingent Liabilities (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended			90 Months Ended
	Nov. 30, 2015	Nov. 30, 2014	Nov. 30, 2013	Nov. 30, 2015	Jun. 29, 2015	Jan. 22, 2015	Nov. 30, 2008	Nov. 30, 2005
Other Commitments [Line Items]
Non-refundable option deposits and pre-acquisition costs	$ 89,204	$ 85,624		$ 89,204
Rental expense	55,866	$ 48,879	$ 41,876
Letters of credit outstanding, amount	453,166			453,166
Lennar Homebuilding [Member]
Other Commitments [Line Items]
Outstanding performance and surety bonds	1,279,220			1,279,220
Uncompleted site improvements amount	$ 490,046			490,046
Uncompleted site improvements percentage	38.00%
Land [Member] | District of Maryland [Member]
Other Commitments [Line Items]
Other Commitment	$ 114,000			114,000			$ 134,000	$ 200,000
Deposits								$ 20,000
Loss contingency, interest rate on damages (percent)						12.00%
Bonds [Member] | Lennar Homebuilding [Member]
Other Commitments [Line Items]
Legal Claims, Letters of Credit and Surety Bonds					$ 223,440
Real estate property taxes [Member] | District of Maryland [Member]
Other Commitments [Line Items]
Loss Contingency, Damages Sought, Value				1,600
Interest Expense [Member] | District of Maryland [Member]
Other Commitments [Line Items]
Loss Contingency, Annual Interest Amount	$ 13,680
Litigation Settlement Interest				$ 103,000