Consolidated Statement Of Stockholders' Equity - 9 months ended Jun. 30, 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	2,860				$ 2,868
Stock-based compensation arrangements, shares	84,404
Dividends				(8,076)	(530)	(8,606)
Net income				15,976	557	16,533
Foreign currency translation adjustment, net of tax			(871)		5	(866)
Defined benefit pension and postretirement plans activity, net of taxes			357			357
Balance at Jun. 30, 2017	$ 981	$ 46,842	$ (15,780)	$ (2,611)	$ 1,453	$ 30,885
Balance, shares at Jun. 30, 2017	9,811,668					9,811,668