Inventories (Tables)

12 Months Ended

May 31, 2023

Inventory Disclosure [Abstract]

Inventories

Inventories are stated at lower of cost and net realizable value (using the first-in, first-out method). Inventories consisted of the following:

(in thousands)	May 31, 2023		May 31, 2022
Raw materials	$	28,679	$	28,251
Work in process	6,708		7,186
Finished goods	19,938		15,955
Total	$	55,325	$	51,392