v2.4.0.6
Inventories (Tables)
12 Months Ended
Dec. 31, 2012
Inventories [Abstract]  
Inventories
                 

In Thousands of Dollars

  2012     2011  

Raw materials

  $ 26,013     $ 18,482  

Work-in-process

    22,309       22,955  

Finished goods

    88,750       84,819  
   

 

 

   

 

 

 

Total

    137,072       126,256  

Adjust to LIFO cost

    (73,416     (62,765

Lower of cost or market adjustment

    —         —    
   

 

 

   

 

 

 

Inventory, net

  $ 63,656     $ 63,491