Investments in Unconsolidated Joint Ventures (Financial Information for Unconsolidated Joint Ventures) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		May 31, 2017	May 31, 2016	May 31, 2017	May 31, 2016	Nov. 30, 2016
Statements of operations of unconsolidated joint venture
Revenues		$ 7,080	$ 18,514	$ 26,802	$ 21,852
Construction and land costs		(6,898)	(18,501)	(24,793)	(25,996)
Other expenses, net		(1,157)	(1,468)	(2,253)	(2,591)
Income (loss)		(975)	$ (1,455)	(244)	$ (6,735)
Assets
Cash		25,266		25,266		$ 31,928
Receivables		742		742		882
Inventories		149,204		149,204		165,385
Other Assets		2,562		2,562		629
Total assets		177,774		177,774		198,824
Liabilities and equity
Accounts payable and other liabilities		20,163		20,163		19,880
Equity Method Investments Summarized Financial Information Debt	[1]	33,045		33,045		44,381
Equity		124,566		124,566		134,563
Total liabilities and equity		$ 177,774		$ 177,774		$ 198,824

[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 May 31, 2017 or November 30, 2016.