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Basis of Presentation (Details) - USD ($)
$ in Thousands
Feb. 28, 2022
May 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Raw materials $ 23,218 $ 15,109
Work in process 33,858 37,664
Finished goods 429,674 429,024
Inventories, net 486,750 481,797
Reserves for obsolete inventory $ 103,000 $ 111,000