Other Accrued Expenses - Schedule of accrued expenses (Details) - USD ($) $ in Millions	Nov. 30, 2025	May 31, 2025	Nov. 30, 2024
Schedule of accrued expenses [Abstract]
Accrued payroll, payroll taxes and benefits	$ 34.3	$ 35.2	$ 35.6
Accrued bonus and commissions	16.2	26.6	17.7
Returns liability	39.5	34.4	34.8
Accrued other taxes	22.5	22.2	25.0
Accrued advertising and promotions	6.7	5.1	7.8
Other accrued expenses	47.2	42.7	42.3
Total accrued expenses	$ 166.4	$ 166.2	$ 163.2