v2.4.0.8
Document And Entity Information
6 Months Ended
Oct. 31, 2015
Nov. 30, 2015
Entity Information [Line Items]    
Entity Registrant Name DAKTRONICS INC /SD/  
Entity Central Index Key 0000915779  
Current Fiscal Year End Date --04-30  
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   43,955,598
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus Q2  
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Oct. 31, 2015