Income Taxes (Details 3) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Sep. 30, 2011
Deferred tax assets:
Net non-U.S. operating loss carryforwards	$ 592	$ 592
Employee benefits	3,282	2,910
Inventory reserves	664	641
Asset impairment reserve	398	435
Allowance for doubtful accounts	154	190
Foreign tax credits	3,021	3,221
Other	43	149
Total deferred tax assets	8,154	8,138
Deferred tax liabilities:
Depreciation	(2,954)	(3,336)
Unremitted foreign earnings	(4,454)	(5,083)
Other	(248)	0
Total deferred tax liabilities	(7,656)	(8,419)
Net deferred tax assets (liabilities)	498	(281)
Valuation allowance	(579)	(452)
Net deferred tax liabilities	$ (81)	$ (733)