Document and Entity Information
3 Months Ended
Jul. 28, 2012
Aug. 24, 2012
Document and Entity Information    
Entity Registrant Name AeroVironment Inc  
Entity Central Index Key 0001368622  
Document Type 10-Q  
Document Period End Date Jul. 28, 2012  
Amendment Flag false  
Current Fiscal Year End Date --04-30  
Entity Current Reporting Status Yes  
Entity Filer Category Accelerated Filer  
Entity Common Stock, Shares Outstanding   22,262,506
Document Fiscal Year Focus 2013  
Document Fiscal Period Focus Q1