Summary Of Significant Accounting Policies (Unobservable inputs) (Details) $ in Thousands	12 Months Ended
	Nov. 30, 2015 USD ($) homes	Nov. 30, 2014 USD ($) homes	Nov. 30, 2013 USD ($) homes
Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Fair value inputs, discount rate	10.00%
Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Fair value inputs, discount rate	20.00%
Lennar Homebuilding [Member]
Summary Of Significant Accounting Policies [Line Items]
Average selling price | $		$ 164,000
Absorption rate | homes		12
Fair value inputs, discount rate		20.00%	20.00%
Lennar Homebuilding [Member] | Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Average selling price | $	$ 158,000		$ 163,000
Absorption rate | homes	3		2
Fair value inputs, discount rate	12.00%
Lennar Homebuilding [Member] | Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Average selling price | $	$ 1,300,000		$ 279,000
Absorption rate | homes	16		34
Fair value inputs, discount rate	20.00%