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v3.20.2

Organization and Significant Accounting Policies - Contract Estimates (Details) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Oct. 31, 2020 USD ($) contract | Oct. 31, 2020 USD ($) contract
Organization and Significant Accounting Policies |  |
Material adjustment to any one contract | $ 0 | $ 0
Amount of aggregate impact of adjustments in contract estimates on revenue related to performance obligations satisfied or partially satisfied in previous periods | $ 1,118 | $ 976
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
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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
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Namespace Prefix: | avav_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Refers to aggregate impact of adjustments in contract estimates on revenue related to performance obligations satisfied or partially satisfied in previous periods. + References No definition available. + Details
Name: | avav_RevenueRemainingPerformanceObligationAggregateImpactOfAdjustmentsInContractEstimatesOnRevenueRelatedToPerformanceObligationsSatisfiedOrPartiallySatisfiedInPreviousPeriods
Namespace Prefix: | avav_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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