PROPERTY, PLANT AND EQUIPMENT

6 Months Ended

Jun. 30, 2018

Property, Plant and Equipment [Abstract]

PROPERTY, PLANT AND EQUIPMENT

PROPERTY, PLANT AND EQUIPMENT

A summary of property, plant and equipment as of June 30, 2018 and December 31, 2017 is as follows (in thousands):

	June 30, 2018			December 31, 2017
	(unaudited)
Land	$	6,654		$	6,698
Buildings and leasehold improvements	49,091			47,924
Machinery and equipment	263,535			261,343
Furniture and fixtures	9,723			9,405
Capitalized ERP system development costs	46,637			46,637
Computers and computer software	14,827			13,052
Automobiles	4,993			5,070
Construction in progress	12,144			12,613
Total	407,604			402,742
Accumulated depreciation and amortization	(211,842		)	(199,523		)
Property, plant, and equipment, net	$	195,762		$	203,219

Depreciation expense for the three months ended June 30, 2018 and 2017 was $8.8 million and $8.9 million, respectively. Depreciation expense for the six months ended June 30, 2018 and 2017 was $18.1 million and $17.6 million, respectively.