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Fair Value and Derivatives - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	May 31, 2026	May 31, 2027	May 31, 2025
Derivative [Line Items]
Accumulated other comprehensive loss	$ (13.6)		$ (28.9)
Scenario Forecast [Member]
Derivative [Line Items]
Accumulated other comprehensive loss		$ (0.5)
Cash Flow Hedging [Member] \| Base Rate
Derivative [Line Items]
Derivative fixed interest rate	1.375%
Not Designated as Hedging Instrument [Member] \| Cash Flow Hedging [Member] \| Foreign Exchange Contract [Member]
Derivative [Line Items]
Derivative, notional amount	$ 0.0		$ 65.5
Designated as Hedging Instrument [Member] \| Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative, notional amount	$ 200.0
Derivatives, maturity date	Jun. 30, 2027
Derivative fixed interest rate	4.215%
Designated as Hedging Instrument [Member] \| Cash Flow Hedging [Member] \| Prime Rate
Derivative [Line Items]
Derivative fixed interest rate	1.75%