Financial Instruments and Fair Value Disclosures - (Fair Value Measured On Recurring Basis) (Details) - USD ($) $ in Thousands	Aug. 31, 2016	Nov. 30, 2015
Rialto | Fair Value, Measurements, Recurring | Loans held-for-sale
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]
Aggregate principal balance	$ 228,800	$ 314,300
Aggregate fair value of loans (below) in excess of principal balance	100	2,000
Rialto | Fair Value, Measurements, Recurring | Level 3
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]
Financial asset	228,931	316,275
Rialto | Fair Value, Measurements, Recurring | Credit default swaps | Level 2
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]
Financial asset	4,448	6,153
Rialto | Fair Value, Measurements, Recurring | Interest rate swaps and swap futures | Level 1
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]
Financial liability	238	978
Lennar Financial Services
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]
Investments available-for-sale	51,535	42,827
Lennar Financial Services | Mortgage loan commitments
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]
Financial asset	20,700	13,100
Lennar Financial Services | Forward contracts
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]
Financial asset		500
Financial liability	2,000
Lennar Financial Services | Fair Value, Measurements, Recurring | Loans held-for-sale
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]
Aggregate principal balance	771,100	815,000
Aggregate fair value of loans (below) in excess of principal balance	29,100	28,200
Lennar Financial Services | Fair Value, Measurements, Recurring | Level 1
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]
Investments available-for-sale	51,535	42,827
Lennar Financial Services | Fair Value, Measurements, Recurring | Level 2
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]
Financial asset	800,139	843,252
Lennar Financial Services | Fair Value, Measurements, Recurring | Level 3
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]
Mortgage servicing rights	18,369	16,770
Lennar Financial Services | Fair Value, Measurements, Recurring | Mortgage loan commitments | Level 2
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]
Financial asset	20,663	13,060
Lennar Financial Services | Fair Value, Measurements, Recurring | Forward contracts | Level 2
Fair Value, Assets and Liabilities Measured on a Recuring and Nonrecurring Basis [Line Items]
Forward contracts	$ (2,011)	$ 531