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v3.26.1

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% |  |

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