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Pay vs Performance Disclosure - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Feb. 28, 2026
Feb. 28, 2025
Feb. 28, 2026
Feb. 28, 2025
Pay vs Performance Disclosure        
Net Income (Loss) $ 10.4 $ 13.8 $ 66.0 $ 55.0