Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2023

Property, Plant and Equipment [Abstract]

Schedule of property, plant and equipment

PP&E consist of the following:

(In thousands)	Estimated Useful Lives	December 31 2023		December 31 2022
Land	—	$	72,099	$	72,020
Land improvements	5-20 years	17,149		16,750
Buildings and improvements (a)	10-30 years	218,877		217,926
Machinery and equipment (b)	3-20 years	1,652,562		1,513,238
Uncompleted construction	—	59,335		84,472
Gross property, plant and equipment		2,020,022		1,904,406
Less: Accumulated depreciation		(1,356,738)		(1,247,531)
Property, plant and equipment, net		$	663,284	$	656,875

(a) Buildings and improvements include leasehold improvements that are amortized over the shorter of their useful lives or the term of the lease.

(b) Includes information technology hardware and software.