PROPERTY, PLANT AND EQUIPMENT (Tables)

3 Months Ended

Mar. 31, 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 March 31, 2016 and December 31, 2015 is as follows (in thousands):

	March 31, 2016			December 31, 2015
	(unaudited)
Land	$	7,445		$	3,124
Buildings and leasehold improvements	39,142			29,690
Machinery and equipment	230,352			174,222
Furniture and fixtures	7,584			6,561
Capitalized ERP system development costs	30,484			25,606
Computers and computer software	11,351			8,062
Automobiles	5,578			5,280
Construction in progress	10,006			5,177
Total	341,942			257,722
Accumulated depreciation and amortization	(140,927		)	(132,739		)
Property, plant and equipment, net	$	201,015		$	124,983