Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2022

Property, Plant and Equipment [Abstract]

Property, plant and equipment

Property, plant and equipment consist of the following:

In thousands	December 31, 2022		December 31, 2021
Land	$	8,242	$	8,480
Facilities and equipment	652,783		668,089
Assets under finance leases	148,174		115,652
	$	809,199	$	792,221
Accumulated amortization(1)	(652,898)		(620,303)
	$	156,301	$	171,918
Construction in progress	236,019		148,049
Property, plant and equipment, net	$	392,320	$	319,967

(1) Includes $80.3 million and $63.9 million of accumulated amortization related to assets under finance leases at December 31, 2022 and December 31, 2021, respectively.