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Treasury Stock
 12 Months Ended
May 31, 2021
Stockholders' Equity Attributable to Parent [Abstract]  
Treasury Stock TREASURY STOCK
The Company has authorizations from the Board of Directors to repurchase Common Stock, from time to time as conditions allow, on the open market or through negotiated private transactions, as summarized in the table below:
AuthorizationsAmount 
March 201850.0 
March 202050.0 
Total current Board authorizations $100.0 
Less repurchases made under the authorizations as of May 31, 2021$(32.7)
Remaining Board authorization at May 31, 2021$67.3  

Remaining Board authorization at May 31, 2021 represents the amount remaining under the Board authorization for Common share repurchases on March 21, 2018 and the current $50.0 Board authorization for Common share repurchases announced on March 18, 2020, which is available for further repurchases, from time to time as conditions allow, on the open market or through negotiated private transactions, subject to temporary limitations under the amended credit agreement as defined in Note 5, Debt.

During the twelve months ended May 31, 2021, there were no repurchases of the Company's Common Stock. The Company’s repurchase program is temporarily suspended at this time due to COVID-19 uncertainties.