v3.19.2
Document and Entity Information - shares
3 Months Ended
Jun. 30, 2019
Jul. 26, 2019
Document Information [Line Items]    
Entity Registrant Name HAWKINS INC  
Entity Central Index Key 0000046250  
Document Type 10-Q  
Document Period End Date Jun. 30, 2019  
Amendment Flag false  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q1  
Current Fiscal Year End Date --03-29  
Entity Filer Category Accelerated Filer  
Entity Emerging Growth Company false  
Entity interactive data Yes  
Current reporting status Yes  
Entity Shell Company false  
Entity Small Business false  
Entity Common Stock, Shares Outstanding   10,665,227