Consolidated Statement Of Stockholders' Equity - 9 months ended Jun. 30, 2016 - 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, 2015	$ 964	$ 41,531	$ (13,741)	$ (17,559)	$ 1,132	$ 12,327
Balance, shares at Sep. 30, 2015	9,641,532					9,641,532
Stock-based compensation arrangements	$ 9	1,789				$ 1,798
Stock-based compensation arrangements, shares	89,638
Dividends				(8,029)	(414)	(8,443)
Net income				15,187	446	15,633
Foreign currency translation adjustment, net of tax			1,456		27	1,483
Unrealized gains (losses) on available-for-sale securities, net of tax			(187)			(187)
Defined benefit pension and postretirement plans activity, net of taxes			257			257
Balance at Jun. 30, 2016	$ 973	$ 43,320	$ (12,215)	$ (10,401)	$ 1,191	$ 22,868
Balance, shares at Jun. 30, 2016	9,731,170					9,731,170