Financial Services (Schedule of Income (Loss)) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 31, 2017	Aug. 31, 2016	Aug. 31, 2017	Aug. 31, 2016
Segment Reporting Information [Line Items]
Interest and Other Income	$ 0	$ 0	$ 5	$ 0
Revenues
Insurance commissions	1,897	1,897	4,515	4,844
Title services	1,317	1,275	3,766	3,545
Total	3,214	3,172	8,286	8,389
Expenses
General and administrative	(890)	(891)	(2,525)	(2,621)
Operating income	76,691	51,477	151,527	96,407
Equity in income (loss) of unconsolidated joint ventures			921	(2,616)
Total pretax income (loss)	79,208	53,463	152,649	94,287
Financial services [Member]
Expenses
Operating income	2,324	2,281	5,761	5,768
Equity in income (loss) of unconsolidated joint ventures	660	132	1,600	(652)
Total pretax income (loss)	$ 2,984	$ 2,413	7,361	$ 5,116
Home Community Mortgage LLC [Member]
Segment Reporting Information [Line Items]
Limited Partners' Capital Account, Distribution Amount			$ 5,000