Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Feb. 29, 2024	Feb. 28, 2023	Feb. 29, 2024	Feb. 28, 2023	May 31, 2023
Income Tax Disclosure [Abstract]
Unrecognized tax benefits	$ 27.9		$ 27.9		$ 29.3
Effective tax rate	19.90%	22.10%	20.00%	19.70%