Financial Services (Schedule of Income (Loss)) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 31, 2015	Aug. 31, 2014	Aug. 31, 2015	Aug. 31, 2014
Revenues
Insurance commissions	$ 1,857	$ 1,832	$ 4,581	$ 4,364
Title services	1,096	904	2,769	2,503
Marketing services fees	0	247	0	1,147
Interest and Other Income	0	0	1	0
Total	2,953	2,983	7,351	8,014
Expenses
General and administrative	(910)	(859)	(2,802)	(2,563)
Operating income	35,982	33,910	68,242	85,921
Equity in income (loss) of unconsolidated joint ventures			1,843	872
Total pretax income (loss)	33,954	28,661	57,126	66,348
Financial services [Member]
Expenses
Operating income	2,043	2,124	4,549	5,451
Equity in income (loss) of unconsolidated joint ventures	658	(277)	3,023	(289)
Total pretax income (loss)	$ 2,701	$ 1,847	$ 7,572	$ 5,162