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Property, Plant and Equipment
12 Months Ended
Dec. 31, 2014
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
Property, Plant and Equipment
Property, plant and equipment consisted of the following:
 
 
As of December 31,
(in thousands)
 
2014
 
2013
 
 
 
 
 
Land and improvements
 
$
74,510

 
$
73,980

Buildings and improvements
 
234,272

 
231,219

Equipment
 
482,241

 
472,407

Computer software
 
35,961

 
36,155

Total
 
826,984

 
813,761

Accumulated depreciation
 
483,595

 
459,964

Net property, plant and equipment
 
$
343,389

 
$
353,797