Investments in Unconsolidated Joint Ventures (Information for Investments in Unconsolidated Joint Ventures) (Details) $ in Thousands		3 Months Ended
		Feb. 28, 2017 USD ($) lot joint_venture	Nov. 30, 2016 USD ($) lot joint_venture
Schedule of Equity Method Investments [Line Items]
Number of Units in Real Estate Property | lot		110
Long-term Purchase, Commitment, Amount | $		$ 48,400
Number of investments in unconsolidated joint ventures | joint_venture		7	7
Long-term purchase commitment period		4 years
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures | $		$ 64,916	$ 64,016
Number of Unconsolidated Joint Venture Lots Controlled Under Land Option Contracts | lot		428	471
Equity Method Investments Summarized Financial Information Debt | $	[1]	$ 35,987	$ 44,381
Investments in Unconsolidated Joint Ventures with Debt
Schedule of Equity Method Investments [Line Items]
Number of investments in unconsolidated joint ventures | joint_venture		1	1
Investments in Unconsolidated Joint Ventures with Purchase Commitments [Member]
Schedule of Equity Method Investments [Line Items]
Number of investments in unconsolidated joint ventures | joint_venture		1

[1] One of our unconsolidated joint ventures has a construction loan agreement with a third-party lender to finance its land development activities that is secured by the underlying property and related project assets. Outstanding debt under the agreement is non-recourse to us and is scheduled to mature in August 2018. None of our other unconsolidated joint ventures had outstanding debt at February 28, 2017 or November 30, 2016.