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

The major classes of property and equipment were as follows (in thousands):

 

     December 31,  
     2014     2013  

Land, buildings and leasehold improvements

   $ 185,940      $ 184,726   

Equipment

     240,227        222,858   

Furniture and fixtures

     54,615        55,741   

Motor vehicles

     15,443        17,801   
  

 

 

   

 

 

 
     496,225        481,126   

Less accumulated depreciation

     (305,928     (281,548
  

 

 

   

 

 

 
   $ 190,297      $ 199,578