Property, Plant and Equipment (Tables)

6 Months Ended

Jun. 30, 2014

Property, Plant and Equipment [Abstract]

Schedule of property, plant and equipment

Property, plant and equipment consists of the following:

(In thousands)	June 30 2014			December 31 2013
Land	$	18,796		$	16,652
Land improvements	14,245			13,615
Buildings and improvements	214,169			192,346
Machinery and equipment	2,003,319			1,969,493
Uncompleted construction	86,959			86,508
Gross property, plant and equipment	2,337,488			2,278,614
Less: Accumulated depreciation	(1,628,877		)	(1,567,268		)
Property, plant and equipment, net	$	708,611		$	711,346