PROPERTY, PLANT AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2017

Property, Plant and Equipment [Abstract]

Summary of Property, Plant and Equipment

A summary of property, plant and equipment as of December 31, 2017 and 2016 is as follows (in thousands):

	December 31,
	2017			2016
Land	$	6,698		$	7,429
Buildings and leasehold improvements	47,924			42,257
Machinery and equipment	261,343			233,063
Furniture and fixtures	9,405			8,431
Capitalized ERP system development costs	46,637			44,876
Computers and computer software	13,052			11,775
Automobiles	5,070			5,370
Construction in progress	12,613			12,997
Total	402,742			366,198
Accumulated depreciation and amortization	(199,523		)	(163,068		)
Property, plant, and equipment, net	$	203,219		$	203,130