Variable Interest Entities (Details) $ in Thousands	Feb. 28, 2019 USD ($) joint_venture	Nov. 30, 2018 USD ($) joint_venture
Variable Interest Entity [Line Items]
Number of investments in unconsolidated joint ventures | joint_venture	6	6
Cash Deposits	$ 49,802	$ 53,830
Aggregate Purchase Price	1,234,198	1,371,238
Pre-acquisition costs related to land option contracts and other similar contracts	43,600	46,900
Increase in inventories and accrued expenses and other liabilities	$ 5,500	$ 21,800
Variable Interest Entity, Not Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Number of investments in unconsolidated joint ventures | joint_venture	1	1
Cash Deposits	$ 22,733	$ 26,542
Aggregate Purchase Price	758,458	784,334
Other land option contracts and other similar contracts [Member]
Variable Interest Entity [Line Items]
Cash Deposits	27,069	27,288
Aggregate Purchase Price	$ 475,740	$ 586,904