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Inventories (Tables)
3 Months Ended
Aug. 31, 2022
Schedule of Components of 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:
 
(in thousands)
  
August 31,
2022
    
May 31,
2022
 
Raw materials
   $ 62,134      $ 58,667  
Work-in-process
     6,241        6,388  
Finished and purchased goods
     60,664        57,258  
    
 
 
    
 
 
 
     $ 129,039      $ 122,313