Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Schedule of property, plant and equipment

Property, plant and equipment consist of the following:

	December 31,
	2014			2013
Land	$	4,117		$	4,312
Buildings and improvements		103,083			108,460
Machinery and equipment		365,623			398,490
Furniture and fixtures		1,821			1,884
Construction in progress		20,085			16,808
Total		494,729			529,954
Accumulated depreciation		(331,162	)		(357,988	)
Net	$	163,567		$	171,966