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Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2013
Property and Equipment [Abstract]  
Property and Equipment
Property and equipment consists of the following:
 
     
       December 31,
  
 
Useful Life
 
       2013
  
       2012
  
           
Land and improvements
10-15 years
 $5,853  $6,295  
Buildings and improvements
15-30 years
  18,035   17,917  
Machinery and equipment
3-7 years
  76,751   77,808  
Leasehold improvements
Life of lease
  22,174   21,478  
Computer software and licenses
3-7 years
  54,123   49,157  
      176,936   172,655  
Accumulated depreciation and amortization
    (117,933)  (112,072) 
             
Total
   $59,003  $60,583