Financial Services (Schedule of Income (Loss)) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2016	May 31, 2015	May 31, 2016	May 31, 2015
Segment Reporting Information [Line Items]
Interest and Other Income	$ 0	$ 1	$ 0	$ 1
Revenues
Insurance commissions	1,371	1,290	2,947	2,724
Title services	1,217	874	2,270	1,673
Total	2,588	2,165	5,217	4,398
Expenses
General and administrative	(871)	(928)	(1,730)	(1,892)
Operating income	25,938	17,862	44,930	32,260
Equity in income (loss) of unconsolidated joint ventures			(2,212)	1,607
Total pretax income (loss)	24,797	12,673	40,824	23,172
Financial services [Member]
Expenses
Operating income	1,717	1,237	3,487	2,506
Equity in income (loss) of unconsolidated joint ventures	(197)	1,951	(784)	2,365
Total pretax income (loss)	$ 1,520	$ 3,188	$ 2,703	$ 4,871