Financial Services (Details) (USD $) In Thousands	3 Months Ended		9 Months Ended
	Aug. 31, 2011	Aug. 31, 2010	Aug. 31, 2011	Aug. 31, 2010	Nov. 30, 2010
Financial services:
Interest income	$ 2	$ 2	$ 7	$ 4
Title services	526	350	1,329	736
Insurance commissions	1,806	1,830	4,392	4,447
Other	450	0	450	0
Total	2,784	2,182	6,178	5,187
Expenses
Expenses	(829)	(754)	(2,481)	(2,639)
Operating income	1,955	1,428	3,697	2,548
Equity in income ( loss ) of unconsolidated joint venture	(888)	996	(376)	5,946
Financial services pretax income	1,067	2,424	3,321	8,494
Assets
Cash and cash equivalents	2,867		2,867		4,029
Receivables	1,415		1,415		1,607
Investment in unconsolidated joint venture	17,526		17,526		23,777
Other assets	20		20		30
Financial services	21,828		21,828		29,443
Liabilities
Accounts payable and accrued expenses	3,321		3,321		2,620
Total liabilities	$ 3,321		$ 3,321		$ 2,620