Summary of Significant Accounting Policies (Details 2) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Total property, plant, and equipment	$ 382,642	$ 361,609
Less: accumulated depreciation	(263,495)	(236,665)
Property, plant and equipment, net	119,147	124,944
Land Improvements [Member]
Total property, plant, and equipment	5,117	5,254
Building and Building Improvements [Member]
Total property, plant, and equipment	45,940	45,291
Machinery and Equipment [Member]
Total property, plant, and equipment	196,003	177,434
Furniture and Fixtures [Member]
Total property, plant, and equipment	8,856	8,789
Tools, Dies and Molds [Member]
Total property, plant, and equipment	71,045	69,719
Technology Equipment [Member]
Total property, plant, and equipment	33,009	31,158
Vehicles [Member]
Total property, plant, and equipment	1,456	1,459
Leasehold Improvements [Member]
Total property, plant, and equipment	3,560	3,416
Construction In Progress [Member]
Total property, plant, and equipment	$ 17,656	$ 19,089

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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Gross amount of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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