Property, Plant and Equipment (Tables)

9 Months Ended

Sep. 30, 2018

Property Plant And Equipment [Abstract]

Schedule of Property, Plant and Equipment

Property, plant and equipment were comprised of the following:

	September 30, 2018			December 31, 2017
Land and land improvements	$	11,692		$	12,172
Buildings		66,998			68,572
Machinery and equipment		340,447			340,396
Construction-in-process		6,612			5,019
Other		7,330			7,193
		433,079			433,352
Accumulated depreciation and amortization		(231,409	)		(218,372	)
Property, plant and equipment, net	$	201,670		$	214,980