Document and Entity Information - USD ($) $ in Millions	12 Months Ended
	Mar. 29, 2020	May 15, 2020	Sep. 29, 2019
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Mar. 29, 2020
Document Transition Report	false
Entity File Number	0-7647
Entity Registrant Name	HAWKINS, INC.
Entity Incorporation, State or Country Code	MN
Entity Tax Identification Number	41-0771293
Entity Address, Address Line One	2381 Rosegate
Entity Address, City or Town	Roseville
Entity Address, State or Province	MN
Entity Address, Postal Zip Code	55113
City Area Code	612
Local Phone Number	331-6910
Title of 12(b) Security	Common Stock, par value $.05 per share
Trading Symbol	HWKN
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Audited Annual Financial Statements	true
Entity Shell Company	false
Entity Public Float			$ 405.0
Entity Common Stock, Shares Outstanding		10,593,095
Entity Central Index Key	0000046250
Amendment Flag	false
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	--03-29