Long Term Debt - Summary of Long Term Debt (Detail) - USD ($) $ in Millions	May 31, 2026	May 31, 2025
Debt Instrument [Line Items]
Total debt	$ 800.0
Total debt and finance lease	800.0	$ 902.4
Less: Current portion	0.0	(19.3)
Total non-current debt	800.0	883.1
Less: Unamortized debt issuance costs	(6.3)	(8.3)
Total non-current debt, net	793.7	874.8
Revolver Facility [Member]
Debt Instrument [Line Items]
Total debt	48.5	100.0
Term Loan [Member]
Debt Instrument [Line Items]
Total debt	405.0	450.0
Senior Notes [Member]
Debt Instrument [Line Items]
Total debt	346.5	350.0
Less: Unamortized debt issuance costs	$ (3.4)	(4.2)
Finance Leases [Member]
Debt Instrument [Line Items]
Total debt		$ 2.4

Non-current Debt total.

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Amount of long-term debt and lease obligation, classified as current.

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