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Property, Plant and Equipment (Tables)
 12 Months Ended
Dec. 31, 2013
Property Plant and Equipment

Property, plant and equipment consist of the following:

 

     2013      2012  
     (in thousands)  

Land

    $ 16,561       $ 16,561   

Buildings

      107,632         106,706   

Machinery and equipment

      600,848         606,414   

Furniture and fixtures, and software

      81,994         93,683   

Leasehold improvements

      30,757         29,585   

Construction in progress

      622         3,425   
  

 

 

     

 

 

  
     838,414         856,374   

Less: accumulated depreciation and amortization

      563,178         590,592   
  

 

 

     

 

 

  
   $ 275,236       $ 265,782