Pension - Net benefit income (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Apr. 30, 2026 |
Apr. 30, 2025 |
Apr. 30, 2024 |
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| Pension | |||
| Actual return on plan assets | $ 142 | $ 162 | $ 52 |
| Interest cost | (123) | (112) | (119) |
| Actuarial gain | 98 | 16 | (206) |
| Net periodic benefit cost | $ 117 | $ 66 | $ (273) |
| X | ||||||||||
- Definition Amount of gain (loss), recognized immediately as component of net periodic benefit (cost) credit, for change in value of benefit obligation or plan assets from experience different from that assumed, change in actuarial assumption, or consequence of temporarily deviating from substantive plan. Includes, but is not limited to, amount in excess of 10 percent of greater of fair value of plan assets or benefit obligation. No definition available.
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- Definition Amount of benefit recognized for passage of time related to defined benefit plan. No definition available.
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- References No definition available.
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- Definition Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of net periodic benefit cost (credit) for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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