Variable Interest Entities (Details) - USD ($) $ in Thousands	Feb. 29, 2016	Nov. 30, 2015
Variable Interest Entity [Line Items]
Cash Deposits	$ 42,862	$ 54,537
Aggregate Purchase Price	996,128	1,187,707
Pre-acquisition costs related to land option contracts and other similar contracts	54,200	65,600
Increase in inventories and accrued expenses and other liabilities	81,400	110,000
Variable Interest Entity, Not Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Cash Deposits	24,714	32,436
Aggregate Purchase Price	465,727	611,567
Non-VIE Other land option contracts and other similar contracts [Member]
Variable Interest Entity [Line Items]
Cash Deposits	18,148	22,101
Aggregate Purchase Price	$ 530,401	$ 576,140