Consolidated Statements Of Stockholders' Equity (USD $) In Thousands, except Share data	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, 2011	$ 946	$ 33,791	$ (3,240)	$ 47,902	$ 1,027	$ 80,426
Balance, shares at Sep. 30, 2011	9,462,807
Stock-based compensation arrangements	3	2,107				2,110
Stock-based compensation arrangements, shares	30,561
Dividends				(20,852)	(324)	(21,176)
Net income				18,546	828	19,374
Foreign currency translation adjustment			(386)		(197)	(583)
Unrealized gains (losses) on available-for-sale securities, net of tax			8			8
Defined benefit pension and postretirement plans activity, net of tax			(1,757)			(1,757)
Balance at Sep. 30, 2012	949	35,898	(5,375)	45,596	1,334	78,402
Balance, shares at Sep. 30, 2012	9,493,368
Stock-based compensation arrangements	9	3,567				3,576
Stock-based compensation arrangements, shares	82,558
Dividends				(20,966)	(426)	(21,392)
Net income				2,782	854	3,636
Foreign currency translation adjustment			(2,078)		(177)	(2,255)
Unrealized gains (losses) on available-for-sale securities, net of tax			30			30
Defined benefit pension and postretirement plans activity, net of tax			3,015			3,015
Balance at Sep. 30, 2013	958	39,465	(4,408)	27,412	1,585	65,012
Balance, shares at Sep. 30, 2013	9,575,926					9,575,926
Stock-based compensation arrangements		852				852
Stock-based compensation arrangements, shares	1,948
Dividends				(21,082)	(499)	(21,581)
Net income				(25,203)	505	(24,698)
Foreign currency translation adjustment			(2,110)		(111)	(2,221)
Unrealized gains (losses) on available-for-sale securities, net of tax			34			34
Defined benefit pension and postretirement plans activity, net of tax			(3,664)			(3,664)
Balance at Sep. 30, 2014	$ 958	$ 40,317	$ (10,148)	$ (18,873)	$ 1,480	$ 13,734
Balance, shares at Sep. 30, 2014	9,577,874					9,577,874