Property, Plant and Equipment (Tables)

3 Months Ended

Mar. 31, 2016

Property, Plant and Equipment [Abstract]

Schedule of property, plant and equipment

Property, plant and equipment consists of the following:

(In thousands)	March 31 2016			December 31 2015
Land	$	11,205		$	10,932
Land improvements	15,314			15,277
Buildings and improvements	191,286			191,356
Machinery and equipment	1,688,499			1,661,914
Construction in progress	37,359			36,990
Gross property, plant and equipment	1,943,663			1,916,469
Less: Accumulated depreciation	(1,387,877		)	(1,352,434		)
Property, plant and equipment, net	$	555,786		$	564,035