Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

(In thousands)	December 31, 2014			December 31, 2013
Machinery and equipment	$	1,830,245		$	1,937,914
Buildings and improvements	311,468			304,971
Land improvements	46,652			54,277
Office and other equipment	21,832			11,951
Land	7,221			11,827
Construction in progress	43,668			40,204
	$	2,261,086		$	2,361,144
Less accumulated depreciation and amortization	(1,450,099		)	(1,476,446		)
	$	810,987		$	884,698