Document and Entity Information - USD ($) $ in Millions	12 Months Ended
	Apr. 30, 2022	Jun. 22, 2022	Oct. 31, 2021
Cover [Abstract]
Entity Registrant Name	AEROVIRONMENT, INC.
Entity File Number	001-33261
Entity Central Index Key	0001368622
Document Type	10-K
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Apr. 30, 2022
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	95-2705790
Amendment Flag	false
Trading Symbol	AVAV
Title of 12(b) Security	Common Stock, par value $0.0001 per share
Security Exchange Name	NASDAQ
Entity Interactive Data Current	Yes
Current Fiscal Year End Date	--04-30
Entity Address, Address Line One	241 18th Street South, Suite 415
Entity Address, City or Town	Arlington
Entity Address, State or Province	VA
Entity Address, Postal Zip Code	22202
City Area Code	805
Local Phone Number	520-8350
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float			$ 2,188.8
Entity Common Stock, Shares Outstanding		24,946,880
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	FY
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Small Business	false
Auditor Name	Deloitte & Touche LLP
Auditor Firm ID	34
Auditor Location	Los Angeles, California