XML 23 R1.htm IDEA: XBRL DOCUMENT v3.21.2
Document and Entity Information - USD ($)
$ in Millions
 12 Months Ended
Apr. 30, 2021
Jun. 23, 2021
Oct. 31, 2020
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, 2021    
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 CA    
Entity Address, Postal Zip Code 22202    
City Area Code (805)    
Local Phone Number 520-8350    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Large Accelerated Filer    
Entity Public Float     $ 1,663.1
Entity Common Stock, Shares Outstanding   24,777,816  
Document Fiscal Year Focus 2020    
Document Fiscal Period Focus FY    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Small Business false