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Inventories
6 Months Ended
Nov. 30, 2019
Inventories
2. 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,
 
 
2019
 
 
2019
 
 
(in thousands)
 
Raw materials
  $
 
 
43,316
    $
 
 
41,594
 
Work-in-process
   
6,077
     
5,581
 
Finished and purchased goods
   
37,013
     
38,817
 
                 
  $
86,406
    $
85,992