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Note 4 - Inventories
3 Months Ended
Aug. 31, 2012
Inventory Disclosure [Text Block]
4.     INVENTORIES

Inventories are stated at the lower of cost (first-in, first-out basis) or market (net realizable value). In relation to the Acquisition on August 19, 2011, a fair value adjustment of $24.4 million increased inventory to net realizable value, which was greater than replacement cost.  All of the fair value adjustment was expensed through cost of sales in the Successor fiscal 2012 period and inventories are again stated at the lower of cost (first-in, first-out basis) or market (net realizable value) net of reserves.

   
August 31, 2012
   
May 31, 2012
 
   
(in thousands)
   
(in thousands)
 
             
Raw materials and supplies
  $ 9,959     $ 10,228  
Work in process
    3,410       3,550  
Finished goods
    21,770       19,592  
    $ 35,139     $ 33,370