Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2018

Property, Plant and Equipment [Abstract]

Schedule of property, plant and equipment

Property, plant and equipment consist of the following:

(In thousands)	Estimated Useful Lives	December 31 2018			December 31 2017
Land	—	$	10,621		$	10,840
Land improvements	5-20 years	16,156			14,996
Buildings and improvements (a)	5-40 years	191,072			198,582
Machinery and equipment	3-20 years	1,538,166			1,599,713
Uncompleted construction	—	37,713			24,387
Gross property, plant and equipment		1,793,728			1,848,518
Less: Accumulated depreciation		(1,323,828		)	(1,368,771		)
Property, plant and equipment, net		$	469,900		$	479,747