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Inventories (Tables)
9 Months Ended
Sep. 30, 2011
Inventories 
Components Of Inventories
     September 30,
2011
    December 31,
2010
 
(In thousands)          (Audited)  

Raw materials

   $ 123,393      $ 126,401   

Work in process

     8,658        6,395   

Finished goods

     77,770        73,710   

Supplies and materials

     109,567        102,720   
  

 

 

   

 

 

 

Inventories at FIFO or average cost

     319,388        309,226   

Excess of FIFO or average cost over LIFO cost

     (75,013     (68,084
  

 

 

   

 

 

 

Inventories, net

   $ 244,375      $ 241,142