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Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2016

Property Plant and Equipment, Net

Property, plant and equipment, net consisted of the following at December 31, 2016 and 2015:

		2016				2015
		(in thousands)
Land		$	16,561			$	16,561
Buildings			98,031				108,797
Machinery and equipment			601,835				595,445
Furniture and fixtures, and software			82,897				82,612
Leasehold improvements			46,612				43,328
Construction in progress			3,032				2,630
			848,968				849,373
Less: accumulated depreciation			595,147				575,959
		$	253,821			$	273,414

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Schedule of Property, Plant and Equipment [Table Text Block]

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