Property, Plant and Equipment (Tables)

6 Months Ended

Jun. 30, 2019

Property Plant And Equipment [Abstract]

Schedule of Property, Plant and Equipment

Property, plant and equipment were comprised of the following:

	June 30, 2019			December 31, 2018
Land and land improvements	$	9,941		$	10,207
Buildings		62,001			65,425
Machinery and equipment		322,979			332,378
Construction-in-process		4,333			3,499
Other		6,814			6,813
		406,068			418,322
Accumulated depreciation and amortization		(234,689	)		(232,661	)
Property, plant and equipment, net	$	171,379		$	185,661