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Pay vs Performance Disclosure - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Feb. 29, 2024
Feb. 28, 2023
Feb. 29, 2024
Feb. 28, 2023
Pay vs Performance Disclosure        
Net Income (Loss) $ 49.0 $ 5.4 $ 101.5 $ 19.8