Employee Benefit Plans - Schedule of accumulated benefit obligation in excess of plan assets (Details) - UNITED KINGDOM - Pension Plans - USD ($) $ in Millions	May 31, 2026	May 31, 2025
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligations	$ 29.7	$ 25.3
Accumulated benefit obligations	29.7	25.2
Fair value of plan assets	$ 29.5	$ 20.1

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details