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Inventories - (Detail) - USD ($)
$ in Thousands
Feb. 28, 2022
May 31, 2021
Inventory [Line Items]    
Raw Materials $ 54,747 $ 47,588
Work-in-process 6,314 6,412
Finished and purchased goods 52,334 46,701
Inventories $ 113,395 $ 100,701