Document And Entity Information - shares	9 Months Ended
	Jan. 28, 2017	Feb. 24, 2017
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)		46,568,550
Document Type	10-Q
Document Period End Date	Jan. 28, 2017
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q3
Amendment Flag	false