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Property, Plant and Equipment (Tables)
12 Months Ended
Dec. 31, 2013
Property Plant And Equipment [Abstract]  
Summary of Property, Plant and Equipment

Property, plant and equipment consist of the following:

 

     Years Ended
December 31,
 
     2013      2012  

Land

   $ 9,225       $ 9,188   

Buildings

     68,569         68,831   

Machinery and equipment

     116,475         115,032   

Furniture and fixtures, office equipment and software

     59,068         51,669   

Leasehold improvements

     20,590         18,003   

Construction in progress

     3,702         9,227   
  

 

 

    

 

 

 
     277,629         271,950   

Less: accumulated depreciation

     200,093         191,434   
  

 

 

    

 

 

 
   $ 77,536       $ 80,516