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Inventories (Tables)
9 Months Ended
Sep. 30, 2013
Inventory Disclosure [Abstract]  
Summary of Inventories, at LIFO Value

Inventories, at LIFO (last-in, first-out) value, consist of the following (in thousands):

 

     September 30,
2013
    December 31,
2012
 

Finished goods

   $ 19,066      $ 23,172   

Raw materials

     15,830        18,068   
  

 

 

   

 

 

 

Total FIFO inventories

     34,896        41,240   

Reserve to adjust inventories to LIFO value

     (23,719     (23,719
  

 

 

   

 

 

 

Total LIFO inventories

   $ 11,177      $ 17,521