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

Property, plant and equipment consist of the following:

 

December 31,   2014     2013  
             
Land and improvements   $ 1,926     $ 1,819  
Buildings and improvements     42,432       39,034  
Machinery and equipment     201,562       172,987  
Dies and tools     42,316       36,287  
    $ 288,236     $ 250,127