Consolidated Statement Of Stockholders' Equity - 6 months ended Mar. 31, 2017 - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid In Capital [Member]	Accumulated Other Comprehensive (Loss) Income [Member]	(Accumulated Deficit) Retained Earnings [Member]	Non-Controlling Interest [Member]	Total
Balance at Sep. 30, 2016	$ 973	$ 43,982	$ (15,266)	$ (10,511)	$ 1,421	$ 20,599
Balance, shares at Sep. 30, 2016	9,727,264					9,727,264
Stock-based compensation arrangements	$ 8	1,879				$ 1,887
Stock-based compensation arrangements, shares	87,487
Dividends				(5,384)	(530)	(5,914)
Net income				9,576	357	9,933
Foreign currency translation adjustment, net of tax			(1,686)		14	(1,672)
Defined benefit pension and postretirement plans activity, net of taxes			238			238
Balance at Mar. 31, 2017	$ 981	$ 45,861	$ (16,714)	$ (6,319)	$ 1,262	$ 25,071
Balance, shares at Mar. 31, 2017	9,814,751					9,814,751