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Employee Savings Plan (Details) - USD ($) | 12 Months Ended
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Apr. 30, 2024 | Apr. 30, 2023 | Apr. 30, 2022
Employee Savings Plan |  |  |
Amount of expense in contribution to the plan | $ 8,554,000 | $ 6,994,000 | $ 6,842,000

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- Definition NA + References No definition available. + Details
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Namespace Prefix: | avav_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of cost for defined contribution plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 70 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480794/715-70-50-1 + Details
Name: | us-gaap_DefinedContributionPlanCostRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration