Lennar Homebuilding Investments in Unconsolidated Entities (Balance Sheets) (Details) - Lennar Homebuilding - USD ($) $ in Thousands	Feb. 28, 2017	Nov. 30, 2016
Assets:
Cash and cash equivalents	$ 436,872	$ 221,334
Inventories	3,977,388	3,889,795
Other assets	982,702	1,334,116
Total assets	5,396,962	5,445,245
Liabilities and equity:
Accounts payable and other liabilities	711,107	791,245
Debt	770,587	888,664
Equity	3,915,268	3,765,336
Total liabilities and equity	5,396,962	5,445,245
Debt issuance costs	$ 6,123	$ 4,186