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Property, Plant and Equipment (Tables)
 9 Months Ended
Sep. 30, 2015
Property, Plant and Equipment [Abstract]  
Schedule of property, plant and equipment
Property, plant and equipment consists of the following:
(In thousands)
 
September 30
2015
 
December 31
2014
Land
 
$
11,065

 
$
15,721

Land improvements
 
15,408

 
15,898

Buildings and improvements
 
201,213

 
205,409

Machinery and equipment
 
1,725,312

 
1,861,965

Construction in progress
 
55,657

 
87,414

Gross property, plant and equipment
 
2,008,655

 
2,186,407

Less: Accumulated depreciation
 
(1,424,948
)
 
(1,523,163
)
Property, plant and equipment, net
 
$
583,707

 
$
663,244