Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Feb. 28, 2025	Feb. 29, 2024	Feb. 28, 2025	Feb. 29, 2024	May 31, 2024
Income Tax Disclosure [Abstract]
Unrecognized tax benefits	$ 40.9		$ 40.9		$ 32.7
Effective tax rate	21.00%	19.90%	19.20%	20.00%