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INVENTORIES
3 Months Ended
Mar. 31, 2012
INVENTORIES  
INVENTORIES

4. INVENTORIES

        The major classes of inventories were as follows:

(In thousands)
  March 31,
2012
  December 31,
2011
 

Raw materials

  $ 144,140   $ 113,813  

Work-in-progress and supplies

    7,714     6,633  

Finished goods

    185,145     167,108  
           

Inventories

  $ 336,999   $ 287,554