Financial Services (Details) (USD $)	3 Months Ended	12 Months Ended
	Nov. 30, 2011	Nov. 30, 2011	Nov. 30, 2010	Nov. 30, 2009
Financial services:
Insurance commissions		$ 7,188,000	$ 7,235,000	$ 7,220,000
Title services		1,983,000	992,000	1,184,000
Marketing services fees		1,125,000
Interest income		8,000	6,000	31,000
Total		10,304,000	8,233,000	8,435,000
Expenses
Expenses		(3,512,000)	(3,119,000)	(3,251,000)
Operating income		6,792,000	5,114,000	5,184,000
Equity in income/gain on wind down of unconsolidated joint venture		19,286,000	7,029,000	14,015,000
Financial services pretax income		26,078,000	12,143,000	19,199,000
Assets
Cash and cash equivalents	3,024,000	3,024,000	4,029,000
Receivables	25,495,000	25,495,000	1,607,000
Investment in unconsolidated joint venture	3,639,000	3,639,000	23,777,000
Other assets	15,000	15,000	30,000
Financial services	32,173,000	32,173,000	29,443,000
Liabilities
Accounts payable and accrued expenses	7,494,000	7,494,000	2,620,000
Total liabilities	7,494,000	7,494,000	2,620,000
Financial services (Textual) [Abstract]
Distribution received	13,800,000
Receivable from wind down of KBA Mortgage	23,500,000	23,500,000
Gain included in equity in income/gain on wind down of unconsolidated joint venture	$ 19,800,000