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v3.21.2

Organization and Significant Accounting Policies - Contract Estimates (Details) $ in Thousands | 3 Months Ended
--- | ---
Jul. 31, 2021 USD ($) contract | Aug. 01, 2020 USD ($) contract
Organization and Significant Accounting Policies |  |
Material adjustment to any one contract | $ | $ 0 | $ 0
Number of active contracts | contract | 1 | 1

X
- Definition Refers to any one adjustment that was material to the contract. + References No definition available. + Details
Name: | avav_MaterialAdjustmentToContract
Namespace Prefix: | avav_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents number of active contracts. + References No definition available. + Details
Name: | avav_NumberOfActiveContracts
Namespace Prefix: | avav_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration