PROPERTY, PLANT AND EQUIPMENT (Tables)

6 Months Ended

Jun. 30, 2016

Property, Plant and Equipment [Abstract]

Summary of Property, Plant and Equipment

Depreciation and amortization of assets are computed by the straight-line method over the following estimated useful lives of the assets:

Classification	Useful Life
Buildings	20-40 years
Leasehold improvements	2-15 years
Machinery and equipment	2-12 years
Furniture and fixtures	2-10 years
Computers and computer software	2-5 years
Automobiles	2-5 years

A summary of property, plant and equipment as of June 30, 2016 and December 31, 2015 is as follows (in thousands):

	June 30, 2016			December 31, 2015
	(unaudited)
Land	$	7,445		$	3,124
Buildings and leasehold improvements	41,533			29,690
Machinery and equipment	236,122			174,222
Furniture and fixtures	8,172			6,561
Capitalized ERP system development costs	35,207			25,606
Computers and computer software	11,641			8,062
Automobiles	5,763			5,280
Construction in progress	9,480			5,177
Total	355,363			257,722
Accumulated depreciation and amortization	(149,071		)	(132,739		)
Property, plant and equipment, net	$	206,292		$	124,983