Investments in Unconsolidated Joint Ventures (Additional Information for Investments in Unconsolidated Joint Ventures) (Details) (USD $)	12 Months Ended
	Nov. 30, 2013 joint_venture	Nov. 30, 2012 joint_venture	Nov. 30, 2011
Schedule of Equity Method Investments [Line Items]
Number of investments in unconsolidated joint ventures	9	8
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 130,192,000	$ 123,674,000
Number of Unconsolidated Joint Venture Lots Controlled Under Land Option Contracts	5,367	4,940
Loss on loan guaranty	0	0	(30,765,000)
South Edge
Schedule of Equity Method Investments [Line Items]
Net Payment Obligation			$ 251,900,000
Investments in Unconsolidated Joint Ventures with Debt
Schedule of Equity Method Investments [Line Items]
Number of investments in unconsolidated joint ventures	0	0