Property Plant and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2016

Property, Plant and Equipment, Net [Abstract]

Property, plant and equipment

Property, plant and equipment, net is summarized as follows:

	At December 31,
	2016			2015
In thousands
Land	$	14,921		$	14,115
Buildings	97,265			93,465
Leasehold improvements	20,068			18,430
Machinery, office furniture and equipment	249,068			242,147
Construction in process	21,565			10,077
Total	402,887			378,234
Less accumulated depreciation	(226,366		)	(202,648		)
Property, plant and equipment, net	$	176,521		$	175,586