Financial Instruments and Fair Value Disclosure (Carrying Amounts And Estimated Fair Value Of Financial Instruments) (Details) - USD ($) $ in Thousands	Nov. 30, 2015	Nov. 30, 2014
Lennar Homebuilding [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable, carrying amount	$ 5,025,130	$ 4,661,266
Notes payable, fair value	5,936,327	5,731,128
Rialto [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans receivable, net	164,826	137,124
Loans receivable, fair value	169,302	142,900
Investments held-to-maturity	25,625	17,290
Investments held-to-maturity, fair value	25,227	17,155
Notes payable, carrying amount	771,728	617,077
Notes payable, fair value	803,013	634,166
Lennar Financial Services [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments held-to-maturity	40,174	45,038
Investments held-to-maturity, fair value	40,098	45,051
Loans held-for-investment, net	30,998	26,894
Loans held-for-investment, net, fair value	29,931	26,723
Notes and other debts payable	858,300	704,143
Notes and other debts payable, fair value	$ 858,300	$ 704,143