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Basis of Presentation (Tables)
9 Months Ended
Feb. 28, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Inventory Inventory is comprised of the following: 
(In thousands)February 28,
2022
May 31,
2021
Raw materials$23,218 $15,109 
Work in process33,858 37,664 
Finished goods429,674 429,024 
 $486,750 $481,797