Property, Plant and Equipment

12 Months Ended

Dec. 31, 2012

Property, Plant and Equipment [Abstract]

Property, plant and equipment consisted of the following (in thousands):



	December 31, 2012			December 31, 2011
Manufacturing equipment	$	174,353		$	170,304
Land	8,101			8,101
Buildings and improvements	53,792			53,539
Office furniture and research equipment	20,241			17,834
	256,487			249,778
Accumulated depreciation	(195,795		)	(188,894		)
Total property, plant and equipment, net	$	60,692		$	60,884

Depreciation expense for the years ended December 31, 2012, 2011 and 2010 was $11.5 million, $10.9 million and $12.8 million, respectively.

- Definition

The entire disclosure for long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. This disclosure may include property plant and equipment accounting policies and methodology, a schedule of property, plant and equipment gross, additions, deletions, transfers and other changes, depreciation, depletion and amortization expense, net, accumulated depreciation, depletion and amortization expense and useful lives, income statement disclosures, assets held for sale and public utility disclosures.

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