v3.26.1
Equity - Treasury Stock (Details) - USD ($)
shares in Millions, $ in Millions
12 Months Ended
May 31, 2026
May 31, 2025
May 31, 2024
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Re-issuance of treasury stock upon exercise of stock options, net of shares withheld to satisfy statutory tax obligations $ 22.9 $ 9.8 $ 24.6
Restricted stock activity 6.0 6.4 10.2
Repurchase of shares   10.1 5.1
Treasury Stock      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Total Increase (Decrease) in Treasury Stock 14.8 5.2 20.3
Re-issuance of treasury stock upon exercise of stock options, net of shares withheld to satisfy statutory tax obligations 15.3 6.6 21.7
Restricted stock activity $ (0.5) $ (1.7) $ 3.7
Shares repurchased (in shares)   0.2 0.1
Repurchase of shares   $ 10.1 $ 5.1