Consolidated Statements Of Stockholders' Equity (USD $)	Common Stock [Member]	Additional Paid In Capital [Member]	Accumulated Other Comprehensive Income [Member]	Retained Earnings [Member]	Non-Controlling Interest [Member]	Total
Balance at Sep. 30, 2010	$ 945,000	$ 32,688,000	$ (783,000)	$ 45,940,000	$ 913,000	$ 79,703,000
Balance, shares at Sep. 30, 2010	9,452,765
Stock-based compensation arrangements	1,000	1,103,000				1,104,000
Stock-based compensation arrangements, shares	10,042
Dividends				(20,754,000)	(340,000)	(21,094,000)
Net income				24,538,000	670,000	25,208,000	[1]
Foreign currency translation adjustment			286,000		(167,000)	119,000
Defined benefit pension and postretirement plans activity, net of tax			(2,632,000)		0	(2,632,000)
Balance at Sep. 30, 2011	946,000	33,791,000	(3,129,000)	49,724,000	1,076,000	82,408,000
Balance, shares at Sep. 30, 2011	9,462,807
Stock-based compensation arrangements	3,000	2,107,000				2,110,000
Stock-based compensation arrangements, shares	30,561
Dividends				(20,852,000)	(324,000)	(21,176,000)
Net income				19,270,000	830,000	20,100,000	[1]
Foreign currency translation adjustment			(386,000)		(197,000)	(583,000)
Defined benefit pension and postretirement plans activity, net of tax			(1,757,000)			(1,757,000)
Balance at Sep. 30, 2012	949,000	35,898,000	(5,272,000)	48,142,000	1,385,000	81,102,000	[1]
Balance, shares at Sep. 30, 2012	9,493,368					9,493,368
Stock-based compensation arrangements	9,000	3,567,000				3,576,000
Stock-based compensation arrangements, shares	82,558
Dividends				(20,966,000)	(426,000)	(21,392,000)
Net income				4,836,000	860,000	5,696,000	[1]
Foreign currency translation adjustment			(2,078,000)		(177,000)	(2,255,000)
Defined benefit pension and postretirement plans activity, net of tax			2,894,000			2,894,000
Balance at Sep. 30, 2013	$ 958,000	$ 39,465,000	$ (4,456,000)	$ 32,012,000	$ 1,642,000	$ 69,621,000	[1]
Balance, shares at Sep. 30, 2013	9,575,926					9,575,926

[1] Restated