v2.4.0.6
Document And Entity Information
3 Months Ended
Jul. 28, 2012
Aug. 27, 2012
Entity Information [Line Items]    
Entity Registrant Name DAKTRONICS INC /SD/  
Entity Central Index Key 0000915779  
Current Fiscal Year End Date --04-27  
Entity Well-known Seasoned Issuer No  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Filer Category Accelerated Filer  
Entity Common Stock, Shares Outstanding   42,027,506
Document Fiscal Year Focus 2013  
Document Fiscal Period Focus Q1  
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jul. 28, 2012