Financial Instruments (Fair Value Assets Measured On Nonrecurring Basis) (Details) - USD ($) $ in Thousands	3 Months Ended
	Feb. 29, 2016	Feb. 28, 2015
Lennar Homebuilding [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Land and land under development carrying value before impairments	$ 3,827	$ 0
Land and land under development fair value	3,425	0
Valuation adjustments to land and land under development	402	0
Rialto [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loan impairments	(2,339)	(1,224)
Rialto [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans Receivable Value Before Impairments	60,666	117,949
Loans Receivable Fair Value	58,327	116,725
Loan impairments	(2,339)	(1,224)
REO held-for-sale carrying value before gains (losses)	12,783	4,883
REO held-for-sale fair value after gains (losses)	12,016	4,590
Gains (Losses) on REO held-for-sale	(767)	(293)
REO held-for-sale carrying value before impairments	16,430	5,604
REO held-for-sale fair value after impairments	13,649	4,479
REO - held-for-sale, impairments	(2,781)	(1,125)
REO held-and-used carrying value before gains (losses)	5,183	8,637
REO held-and-used fair value after gains (losses)	8,667	8,912
Gains (losses) On REO held-and-used	3,484	275
REO held-and-used carrying value before impairments	3,089	2,689
REO held-and-used fair value after impairments	3,000	1,276
REO - held-and-used, impairments	$ (89)	$ (1,413)