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INVENTORY (Tables)
3 Months Ended
Jun. 30, 2011
INVENTORY  
Inventory balances by category

 

 
  June 30,
2011
  March 31,
2011
 

Finished products

  $ 23,416   $ 21,541  

Parts and supplies

    2,525     3,037  
           

Inventory

  $ 25,941   $ 24,578