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Property and Equipment (Tables)
 12 Months Ended
Dec. 31, 2014
Property, Plant and Equipment [Abstract]  
Components of Property and Equipment

Property and equipment, which includes assets under capital leases, is comprised of the following (in thousands):

 

     As of  
     December 31, 2014      December 31, 2013  
  

 

 

  

Buildings

      $ 48,732              $ 4,613        

Land

      10,344              504        

Machinery, equipment and tooling

      178,220              110,728        

Furniture and office equipment

      13,965              13,448        

Computers and software

      146,474              139,723        

Automobiles

      46              18        

Leasehold improvements

      21,274              17,880        

Projects in progress – computers and software

      0              2,079        

Projects in progress - other

      28,818              6,675        
  

 

 

     

 

 

  
     447,873              295,668        

Less accumulated depreciation and amortization

      (192,781)             (186,080)       
  

 

 

     

 

 

  

Net property and equipment

      $ 255,092              $ 109,588        
  

 

 

     

 

 

  

Other Items Related to Property and Equipment

Other items related to property and equipment are as follows (in thousands):

 

     As of December 31,  
  

 

 

  
     2014      2013  
  

 

 

  

Unamortized computer software costs

        $     40,579                $     43,317        
Depreciation and Amortization Related to Property and Equipment
   Year Ended December 31,  
  

 

 

  
     2014      2013      2012  
  

 

 

  

Amortization of capitalized software

        $     8,818                $     8,688                $     7,912        

Total depreciation expense charged to income

      27,275              24,727              21,504