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Pension - Projected benefit obligation and fair value of plan assets (Details) - Pension Plan $ in Thousands | 12 Months Ended
--- | ---
Apr. 30, 2024 USD ($)
Pension |
Defined Benefit Plan, Funding Status [Extensible List] | us-gaap:UnfundedPlanMember
Projected benefit obligation | $ (3,246)
Fair value of plan assets | 3,636
Funded status of the plan | $ 390

X
- Definition Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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