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Inventories
6 Months Ended
Nov. 30, 2020
Inventories
3. INVENTORIES
Inventories are stated at the lower of cost, determined by the
first-in,
first-out
method, or net realizable value. The components of inventories follow:
 
    
November 30,
    
May 31,
 
(in thousands)
  
2020
    
2020
 
Raw materials
   $ 45,269      $ 45,058  
Work-in-process
     6,020        6,887  
Finished and purchased goods
     41,240        43,108  
    
 
 
    
 
 
 
     $ 92,529      $       95,053