Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2020

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 2020		December 31 2019
Land	—	$	75,559	$	30,409
Land improvements	5-20 years	20,166		19,155
Buildings and improvements (a)	5-40 years	249,954		182,795
Machinery and equipment	3-20 years	1,597,592		1,518,652
Uncompleted construction	—	42,185		55,592
Gross property, plant and equipment		1,985,456		1,806,603
Less: Accumulated depreciation		(1,317,247)		(1,244,817)
Property, plant and equipment, net		$	668,209	$	561,786