Variable Interest Entities (Estimated Maximum Exposure To Loss) (Details) - USD ($) $ in Thousands	May 31, 2016	Nov. 30, 2015
Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Investments in Unconsolidated VIEs	$ 386,897	$ 305,690
Lennar’s Maximum Exposure to Loss	776,408	723,682
Lennar Homebuilding | Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Investments in Unconsolidated VIEs	99,026	102,706
Lennar’s Maximum Exposure to Loss	130,137	111,215
Obligations related to VIEs	31,000
Lennar Homebuilding | Variable Interest Entity, Not Primary Beneficiary | Equity Commitments
Variable Interest Entity [Line Items]
Obligations related to VIEs		8,300
Rialto
Variable Interest Entity [Line Items]
Investments held-to-maturity	60,076	25,625
Rialto | Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Investments in Unconsolidated VIEs	60,076	25,625
Lennar’s Maximum Exposure to Loss	60,076	25,625
Investments held-to-maturity	60,100	25,600
Lennar Multifamily | Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Investments in Unconsolidated VIEs	227,795	177,359
Lennar’s Maximum Exposure to Loss	586,195	586,842
Lennar Multifamily | Variable Interest Entity, Not Primary Beneficiary | Equity Commitments
Variable Interest Entity [Line Items]
Obligations related to VIEs	324,500	378,300
Lennar Multifamily | Variable Interest Entity, Not Primary Beneficiary | Financial Standby Letters of Credit
Variable Interest Entity [Line Items]
Obligations related to VIEs	$ 29,100	$ 30,000