Document and Entity Information - USD ($) $ in Millions	12 Months Ended
	Apr. 01, 2018	May 25, 2018	Oct. 01, 2017
Document and Entity Information [Abstract]
Entity Registrant Name	HAWKINS INC
Entity Central Index Key	0000046250
Document Type	10-K
Document Period End Date	Apr. 01, 2018
Amendment Flag	false
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	--04-01
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	No
Entity Filer Category	Accelerated Filer
Entity Public Float			$ 391.3
Entity Common Stock, Shares Outstanding		10,683,514