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Organization and Significant Accounting Policies - Accounts Receivable (Details) - USD ($) $ in Thousands | Apr. 30, 2022 | Apr. 30, 2021
--- | --- | ---
Accounts Receivable , Unbilled Receivables and Retentions |  |
Retentions | $ 736 | $ 700

X
- Definition Represent the amounts withheld by customers until contract completion. + References No definition available. + Details
Name: | avav_Retentions
Namespace Prefix: | avav_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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