Variable Interest Entities (Details) $ in Thousands	Nov. 30, 2019 USD ($) joint_venture	Nov. 30, 2018 USD ($) joint_venture
Variable Interest Entity [Line Items]
Number Of Investments In Unconsolidated Joint Ventures | joint_venture	5	6
Cash Deposits	$ 75,186	$ 53,830
Aggregate Purchase Price	1,423,519	1,371,238
Acquisition Costs Related To Land Option Contracts And Other Similar Contracts	32,800	46,900
Increase in inventories and accrued expenses and other liabilities	$ 12,200	$ 21,800
Unconsolidated VIEs [Member]
Variable Interest Entity [Line Items]
Number Of Investments In Unconsolidated Joint Ventures | joint_venture	1	1
Cash Deposits	$ 34,595	$ 26,542
Aggregate Purchase Price	823,427	784,334
Other land option contracts and other similar contracts [Member]
Variable Interest Entity [Line Items]
Cash Deposits	40,591	27,288
Aggregate Purchase Price	$ 600,092	$ 586,904