Debt - Summary of Long-term Debt and Short-term Borrowings Outstanding (Detail) - USD ($) $ in Millions	May 31, 2024	May 31, 2023
Debt Instrument [Line Items]
Total short-term borrowings and current maturities	$ 148.0	$ 22.8
Total long-term debt	0.0	0.0
Total	148.0	22.8
Revolving Credit Facility
Debt Instrument [Line Items]
Total short-term borrowings and current maturities	148.0	0.0
Current maturities of Term Loan Facility with the Former Parent
Debt Instrument [Line Items]
Total short-term borrowings and current maturities	0.0	20.0
Other
Debt Instrument [Line Items]
Total short-term borrowings and current maturities	$ 0.0	$ 2.8