Capital Stock (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Sep. 30, 2016 USD ($) $ / shares item shares	Feb. 18, 2016 shares	Feb. 17, 2016 shares	Sep. 30, 2015 $ / shares shares
Capital Stock [Abstract]
Number of classes of stock | item	2
Preferred stock, par value | $ / shares	$ 0.10			$ 0.10
Common stock, par value | $ / shares	$ 0.10			$ 0.10
Common stock, shares authorized	20,000,000			20,000,000
Common stock, shares issued	9,727,264			9,641,532
Common stock, shares outstanding	9,727,264			9,641,532
Preferred stock, shares issued	0			0
Preferred stock, shares authorized	1,000,000			1,000,000
Dividends declared | $ / shares	$ 1.100
Accrued and unpaid dividends | $	$ 2,815
Shares reserved for issuance under Incentive Compensation Plan	700,000	700,000	500,000