Income Taxes (Components of Deferred Tax Asset and Liability) (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Deferred tax assets:
Accounts receivable	$ 127	$ 108
Inventories	939	591
Net operating loss carryforwards	4,566	4,268
Other accrued liabilities	2,020	1,679
Pension	5,268	9,454
Tax Credits	1,953	3,442
Total deferred tax assets	14,873	19,542
Deferred tax liabilities:
Domestic liability of foreign assets	96	448
Intangible assets	6,066	6,121
Property, plant and equipment	9,631	8,341
Total deferred tax liabilities	15,793	14,910
Valuation allowance	3,315	3,587
Net deferred tax (liabilities) assets	$ (4,235)	$ 1,045