Business Acquisitions - Planck (Details) - USD ($)		3 Months Ended		6 Months Ended
	Aug. 17, 2022	Oct. 29, 2022	Oct. 30, 2021	Oct. 29, 2022	Oct. 30, 2021	Apr. 30, 2022
Fair value of assets acquired:
Goodwill		$ 334,963,000		$ 334,963,000		$ 334,347,000
Planck Aerosystems, Inc. ("Planck")
Business Acquisitions
Cash	$ 5,105,000
Amount of holdback	500,000
Revenue	68,000	111,584,000	$ 122,667,000	223,016,000	$ 224,335,000
Fair value of assets acquired:
Inventories	109,000
Other assets	19,000
Property and equipment, net	13,000
Goodwill	1,633,000
Total assets acquired	5,674,000
Fair value of liabilities assumed:
Customer advances	69,000
Total liabilities assumed	69,000
Total identifiable net assets	5,605,000
Fair value of consideration transferred:
Cash	5,105,000
Holdback	500,000
Total consideration	5,605,000
Supplemental Pro Forma Information (unaudited)
Revenue	68,000	111,584,000	122,667,000	223,016,000	224,335,000
Net (loss) income attributable to AeroVironment, Inc.		(6,131,000)	$ 2,375,000	$ (13,450,000)	$ (12,325,000)
Planck Aerosystems, Inc. ("Planck") | SG&A
Business Acquisitions
Acquisition-related costs		$ 569,000
Planck Aerosystems, Inc. ("Planck") | Technology
Fair value of assets acquired:
Intangible assets	3,200,000
Planck Aerosystems, Inc. ("Planck") | Backlog.
Fair value of assets acquired:
Intangible assets	$ 700,000