v3.10.0.1
Document and Entity Information - shares
6 Months Ended
Dec. 30, 2018
Dec. 31, 2018
Document And Entity Information [Abstract]    
Entity Registrant Name STRATTEC SECURITY CORP  
Entity Central Index Key 0000933034  
Document Type 10-Q  
Document Period End Date Dec. 30, 2018  
Amendment Flag false  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q2  
Trading Symbol STRT  
Current Fiscal Year End Date --06-30  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Common Stock Shares Outstanding   3,741,786