Property, Plant and Equipment

12 Months Ended

Dec. 31, 2016

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, Plant and Equipment

Property, plant and equipment is comprised of the following:

	December 31,						Estimated
	2016			2015			Useful Lives
Land and improvements	$	71,002		$	71,079		10 to 25 years
Buildings and improvements	266,325			237,499			10 to 40 years
Machinery and equipment	870,429			760,250			5 to 10 years
Construction in progress	153,924			130,615
	$	1,361,680		$	1,199,443
Accumulated depreciation	(529,411		)	(434,074		)
Property, plant and equipment, net	$	832,269		$	765,369

The Company impaired property, plant and equipment at certain of its facilities due to the deterioration of financial results in each respective case. Fair value was determined using the estimated salvage value, which was deemed the highest and best use of the assets. A summary of these asset impairment charges is as follows:

	Year Ended December 31,
	2016		2015		2014
Asia Pacific	$	1,273	$	—	$	—
Europe	—		2,285		6,107
South America	—		11,345		—
North America	—		—		18,466
Total	$	1,273	$	13,630	$	24,573