Organization and Significant Accounting Policies - Contract Estimates (Details)	3 Months Ended
Aug. 01, 2020 USD ($) contract	Jul. 27, 2019 USD ($) contract
Organization and Significant Accounting Policies
Material adjustment to any one contract \| $	$ 0	$ 0
Number of active contracts \| contract	1	1

Refers to any one adjustment that was material to the contract.

No definition available.

Name:	avav_MaterialAdjustmentToContract
Namespace Prefix:	avav_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration