Pension Plans - Activity that Occurred for Level Three Assets (Detail) - Significant Unobservable Inputs (Level 3) - Pension Benefits - USD ($) $ in Thousands |
12 Months Ended | |||
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May 31, 2025 |
May 31, 2024 |
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| Defined Benefit Plan Disclosure [Line Items] | ||||
| Balance at Beginning of Period | $ 20,477 | $ 19,418 | ||
| Actual Return on Plan Assets For Assets Still Held at Reporting Date | 348 | 1,051 | ||
| Settlements | [1] | 7,360 | 8 | |
| Balance at End of Period | $ 28,185 | $ 20,477 | ||
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- Definition Amount, measured using unobservable inputs, of increase (decrease) in plan assets of defined benefit plan from actual return (loss) on assets still held. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition 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. No definition available.
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- Definition Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, measured using unobservable input, of increase (decrease) in plan asset of defined benefit plan from purchase, sale and settlement of trade associated with underlying investment. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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