CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock [Member]	Additional Paid in Capital [Member]	Treasury Stock at Cost [Member]	Retained Earnings [Member]
Balance at Sep. 30, 2010	$ 105,237	$ 7,379	$ 9,310	$ (172)	$ 88,720
Balance, shares at Sep. 30, 2010		7,379,000
Net income	7,097				7,097
Stock retirements		(2)	(48)	50
Stock retirements, shares	(2,123)	(2,000)
Dividends	(882)				(882)
Treasury stock purchases	(1,205)			(1,205)
Stock based compensation
Directors	434		(7)	441
Employees	(19)		(43)	24
Balance at Sep. 30, 2011	110,662	7,377	9,212	(862)	94,935
Balance, shares at Sep. 30, 2011		7,377,000
Net income	18,489				18,489
Dividends	(1,765)				(1,765)
Treasury stock purchases	(298)			(298)
Stock based compensation
Directors	485		(104)	589
Employees	(27)		(55)	28
Balance at Sep. 30, 2012	127,546	7,377	9,053	(543)	111,659
Balance, shares at Sep. 30, 2012		7,377,000
Net income	19,646				19,646
Dividends	(2,626)				(2,626)
Treasury stock purchases	(2,894)			(2,894)
Stock based compensation
Directors	983		392	591
Employees	81		51	30
Balance at Sep. 30, 2013	$ 142,736	$ 7,377	$ 9,496	$ (2,816)	$ 128,679
Balance, shares at Sep. 30, 2013		7,377,000