Pension - Change in plan assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2026	Apr. 30, 2025	Apr. 30, 2024
Pension
Expected return on plan assets	$ 142	$ 162	$ 52
Pension Plan
Pension
Fair value of plan assets as of April 30, 2025 and 2024, respectively	3,817	3,636
Expected return on plan assets	142	162
Benefits paid	(211)	(190)
Foreign currency exchange rate changes	114	209
Fair value of plan assets as of April 30, 2026 and 2025, respectively	$ 3,862	$ 3,817	$ 3,636

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

- 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.

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+ Details

AeroVironment Inc 10-K