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Treasury Stock
 9 Months Ended
Feb. 28, 2026
Equity, Attributable to Parent [Abstract]  
Treasury Stock TREASURY STOCK
 
The Board has authorized the Company to repurchase Common Stock, from time to time as conditions allow, on the open market or through privately negotiated transactions.

The table below represents the Board authorization at the dates indicated:
Authorization Amount
March 2024
$
54.6 
March 202553.4 
December 202580.0 
Total current Board authorizations$188.0 
Less repurchases made under these authorizations(168.5)
Remaining Board authorization at February 28, 2026$19.5 

Remaining Board authorization at February 28, 2026 represents the amount remaining under the Board authorization for Common share repurchases announced on December 17, 2025, which is available for further repurchases, from time to time as conditions allow, on the open market or through privately negotiated transactions. See Note 20, "Subsequent Events", for additional Board authorization for Common share repurchases.

Repurchases of the Company's Common Stock aggregated $131.8, including excise tax on share repurchases, during the three and nine month periods ended February 28, 2026. The Company's repurchase program may be suspended at any time without prior notice.