Property, Plant and Equipment

3 Months Ended

Mar. 31, 2018

Property, Plant and Equipment [Abstract]

PROPERTY, PLANT AND EQUIPMENT

PROPERTY, PLANT AND EQUIPMENT

Property, plant and equipment consist of the following:

In thousands	March 31, 2018			December 31, 2017
Land	$	9,107		$	9,408
Facilities and equipment	559,276			554,160
Assets under capital leases	88,720			82,753
	657,103			646,321
Accumulated amortization (1)	(456,374		)	(448,001		)
	200,729			198,320
Construction in progress	65,428			56,417
Property, plant and equipment, net	$	266,157		$	254,737

(1) Includes $29.0 million and $28.2 million of accumulated amortization related to assets under capital leases at March 31, 2018 and December 31, 2017, respectively.