Investments in Unconsolidated Joint Ventures (Financial Information for Unconsolidated Joint Ventures) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		May 31, 2016	May 31, 2015	May 31, 2016	May 31, 2015	Nov. 30, 2015
Statements of operations of unconsolidated joint venture
Revenues		$ 18,514	$ 3,210	$ 21,852	$ 6,420
Construction and land costs		(18,501)	(10,249)	(25,996)	(13,992)
Other expenses, net		(1,468)	(715)	(2,591)	(1,411)
Income (loss)		(1,455)	$ (7,754)	(6,735)	$ (8,983)
Assets
Cash		23,745		23,745		$ 23,309
Receivables		1,682		1,682		7,546
Inventories		168,119		168,119		175,196
Other Assets		776		776		910
Total assets		194,322		194,322		206,961
Liabilities and equity
Accounts payable and other liabilities		12,304		12,304		17,108
Equity Method Investments Summarized Financial Information Debt	[1]	45,280		45,280		39,064
Equity		136,738		136,738		150,789
Total liabilities and equity		$ 194,322		$ 194,322		$ 206,961

[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, 2016 or November 30, 2015.