Property Plant and Equipment (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Land	$ 7,475	$ 6,791
Buildings and Improvements, Gross	100,990	91,593
Machinery and Equipment, Gross	228,683	213,095
Property, Plant and Equipment, Gross	337,148	311,479
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	(198,324)	(186,061)
Property, Plant and Equipment, Net	$ (138,824)	$ (125,418)	$ (115,295)

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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