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Inventories
3 Months Ended
Aug. 31, 2016
Inventories

2. INVENTORIES

Inventories are stated at the lower of cost, determined on the first-in, first-out method, or market. The components of inventories follow:

 

     August 31,
2016
     May 31,
2016
 
     (in thousands)  

Raw Materials

   $ 31,208       $ 29,501   

Work-in-process

     5,168         4,498   

Finished and purchased goods

     33,463         30,372   
  

 

 

    

 

 

 
   $ 69,839       $ 64,371