Investments in Unconsolidated Joint Ventures (Narrative) (Details) (USD $)	12 Months Ended
	Nov. 30, 2013 joint_venture	Nov. 30, 2012 acre joint_venture	Nov. 30, 2011
Schedule of Equity Method Investments [Line Items]
Loss on loan guaranty	$ 0	$ 0	$ (30,765,000)
Equity Method Investment, Other than Temporary Impairment	0	0	53,727,000
Investments in unconsolidated joint ventures	130,192,000	123,674,000
Anticipated land to be acquired owned by unconsolidated joint venture in acre		600
Number of investments in unconsolidated joint ventures	9	8
Investments in Unconsolidated Joint Ventures with Debt
Schedule of Equity Method Investments [Line Items]
Number of investments in unconsolidated joint ventures	0	0
South Edge
Schedule of Equity Method Investments [Line Items]
Net Payment Obligation			251,900,000
Equity Method Investment, Other than Temporary Impairment			53,700,000
Investments in Unconsolidated Joint Ventures with Inspirada Builders LLC
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated joint ventures	$ 75,900,000	$ 71,000,000