Financial Services (Schedule of Income (Loss)) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2017	May 31, 2016	May 31, 2017	May 31, 2016
Segment Reporting Information [Line Items]
Interest and Other Income	$ 0	$ 0	$ 5	$ 0
Revenues
Insurance commissions	1,408	1,371	2,618	2,947
Title services	1,314	1,217	2,449	2,270
Total	2,722	2,588	5,072	5,217
Expenses
General and administrative	(816)	(871)	(1,635)	(1,730)
Operating income	49,559	25,938	74,836	44,930
Equity in income (loss) of unconsolidated joint ventures			1,075	(2,212)
Total pretax income (loss)	51,982	24,797	73,441	40,824
Financial services [Member]
Expenses
Operating income	1,906	1,717	3,437	3,487
Equity in income (loss) of unconsolidated joint ventures	911	(197)	940	(784)
Total pretax income (loss)	$ 2,817	$ 1,520	4,377	$ 2,703
Home Community Mortgage LLC [Member]
Segment Reporting Information [Line Items]
Limited Partners' Capital Account, Distribution Amount			$ 5,000