v3.5.0.2
Document And Entity Information - shares
3 Months Ended
Jul. 30, 2016
Sep. 01, 2016
Document Information [Line Items]    
Entity Registrant Name National Beverage Corp.  
Entity Central Index Key 0000069891  
Trading Symbol fizz  
Current Fiscal Year End Date --04-29  
Entity Filer Category Accelerated Filer  
Entity Current Reporting Status Yes  
Entity Voluntary Filers No  
Entity Well-known Seasoned Issuer No  
Entity Common Stock, Shares Outstanding (in shares)   46,558,750
Document Type 10-Q  
Document Period End Date Jul. 30, 2016  
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q1  
Amendment Flag false