v3.26.3
Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Millions
 3 Months Ended
Aug. 31, 2026
Aug. 31, 2025
Accumulated Other Comprehensive Loss    
Balance, beginning $ 1,703.8 $ 1,211.6
Other comprehensive income 0.7 0.4
Balance, ending 1,742.4 1,249.3
Currency Translation Adjustments    
Accumulated Other Comprehensive Loss    
Balance, beginning (2.1) (2.4)
Other comprehensive income 0.7 0.4
Balance, ending (1.4) (2.0)
Pension Plans    
Accumulated Other Comprehensive Loss    
Balance, beginning (1.8) (3.2)
Balance, ending (1.8) (3.2)
Total    
Accumulated Other Comprehensive Loss    
Balance, beginning (3.9) (5.6)
Other comprehensive income 0.7 0.4
Balance, ending $ (3.2) $ (5.2)