v3.8.0.1
Document and Entity Information - shares
6 Months Ended
Oct. 01, 2017
Oct. 27, 2017
Document Information [Line Items]    
Entity Registrant Name HAWKINS INC  
Entity Central Index Key 0000046250  
Document Type 10-Q  
Document Period End Date Oct. 01, 2017  
Amendment Flag false  
Document Fiscal Year Focus 2018  
Document Fiscal Period Focus Q2  
Current Fiscal Year End Date --04-01  
Entity Filer Category Accelerated Filer  
Entity Common Stock, Shares Outstanding   10,663,271