Financial Instruments and Fair Value Disclosure (Fair Value Assets Measured On Nonrecurring Basis) (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Nov. 30, 2015	Nov. 30, 2014	Nov. 30, 2015	Nov. 30, 2014	Nov. 30, 2013
Lennar Homebuilding [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Finished homes and construction in progress carrying value before impairments	$ 121,693	$ 145,284
Total gains (losses) on finished homes and construction in process	(8,061)	(2,934)
Lennar Homebuilding [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Finished homes and construction in progress carrying value before impairments	$ 19,438	$ 8,071	$ 59,913	$ 8,071	$ 16,453
Finished homes and construction in progress, Fair Value			47,898	4,498	11,995
Total gains (losses) on finished homes and construction in process			(12,015)	(3,573)	(4,458)
Land and land under development carrying value before impairments			32,500	7,013	0
Land and land under development fair value			20,033	6,143	0
Valuation adjustments to land and land under development			(12,467)	(870)	0
Equity method investments carrying value before impairment			0	0	20,921
Investments in unconsolidated entities, fair value			0	0	20,024
Valuation adjustments to investments in unconsolidated entities			0	0	(897)
Rialto [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Provision for loan, lease, and other losses			(10,363)	(57,113)	(16,139)
Rialto [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans receivable value before impairments			127,319	187,218	237,829
Loans receivable fair value			116,956	130,105	221,690
Provision for loan, lease, and other losses			(10,363)	(57,113)	(16,139)
REO Held-For-Sale carrying value before gains (losses)			40,833	26,750	14,367
REO Held-For-Sale fair value			38,383	25,145	15,985
Net gains (losses) upon acquisition/transfer of REO Held-For-Sale			(2,450)	(1,605)	1,618
REO Held-For-Sale carrying value before impairments			36,730	50,115	26,772
REO Held-For-Sale fair value after impairments			26,988	42,279	21,199
REO Held-For-Sale, impairments			(9,742)	(7,836)	(5,573)
REO Held-And-Used, net carrying value before gains (losses)			18,996	60,572	79,775
Real Held-And-Used, net fair value			20,134	55,407	86,262
Net gains (losses) upon acquisition/transfer of REO Held-And-Used, net			1,138	(5,165)	6,487
REO Held And Used, net carrying value before impairments			8,066	39,728	22,743
REO Held-And-Used, net fair value after impairments			5,442	28,227	12,226
Real estate, impairments			$ (2,624)	$ (11,501)	$ (10,517)