Financial Services (Schedule of Income (Loss)) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	May 31, 2013	May 31, 2012	May 31, 2013	May 31, 2012
Revenues
Insurance commissions	$ 1,487	$ 1,154	$ 2,790	$ 2,754
Title services	680	492	1,329	878
Marketing services fees	450	600	900	1,275
Interest income	1	1	2	3
Total	2,618	2,247	5,021	4,910
Expenses
General and administrative	(636)	(693)	(1,471)	(1,528)
Operating income (loss)	8,691	(15,536)	9,145	(46,685)
Equity in income (loss) of unconsolidated joint ventures			85	(226)
Total pretax income (loss)	(4,173)	(28,636)	(16,531)	(74,038)
Financial services [Member]
Expenses
Operating income (loss)	1,982	1,554	3,550	3,382
Equity in income (loss) of unconsolidated joint ventures	(4)	(53)	1,087	89
Total pretax income (loss)	$ 1,978	$ 1,501	$ 4,637	$ 3,471