v3.26.1
Provision for Income Taxes (Detail) - USD ($)
$ in Millions
12 Months Ended
May 31, 2026
May 31, 2025
May 31, 2024
Current:      
Federal $ 1.0 $ (0.6) $ 6.8
Change in tax-related uncertainties 1.5 1.2 1.9
State 1.0 1.0 1.5
Foreign 19.7 14.1 14.4
Total Current 23.2 15.7 24.6
Deferred:      
Federal (22.6) (37.7) (22.4)
State (3.6) (3.4) (4.9)
Foreign 1.9 (15.7) (2.2)
Total Deferred (24.3) (56.8) (29.5)
Income tax (benefit) expense $ (1.1) $ (41.1) $ (4.9)