Property, Plant and Equipment (Tables)

3 Months Ended

Mar. 31, 2019

Property Plant And Equipment [Abstract]

Schedule of Property, Plant and Equipment

Property, plant and equipment were comprised of the following:

	March 31, 2019			December 31, 2018
Land and land improvements	$	9,934		$	10,207
Buildings		62,113			65,425
Machinery and equipment		321,146			332,378
Construction-in-process		4,289			3,499
Other		6,811			6,813
		404,293			418,322
Accumulated depreciation and amortization		(230,801	)		(232,661	)
Property, plant and equipment, net	$	173,492		$	185,661