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Acquisitions - Schedule of Unaudited Pro Forma Information (Details) - Tempel Steel Company - USD ($)
12 Months Ended
May 31, 2022
May 31, 2021
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]    
Net sales $ 5,481,097 $ 3,490,167
Net earnings attributable to controlling interest $ 398,361 $ 724,631
Diluted earnings per share attributable to controlling interest $ 7.81 $ 13.44