v3.19.3
Document and Entity Information - shares
3 Months Ended
Sep. 29, 2019
Sep. 30, 2019
Cover [Abstract]    
Entity Registrant Name STRATTEC SECURITY CORP  
Entity Central Index Key 0000933034  
Document Type 10-Q  
Document Period End Date Sep. 29, 2019  
Amendment Flag false  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q1  
Current Fiscal Year End Date --06-28  
Entity Filer Category Accelerated Filer  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Shell Company false  
Entity File Number 0-25150  
Entity Incorporation, State or Country Code WI  
Entity Tax Identification Number 39-1804239  
Entity Address, Address Line One 3333 West Good Hope Road  
Entity Address, City or Town Milwaukee  
Entity Address, State or Province WI  
Entity Address, Postal Zip Code 53209  
City Area Code 414  
Local Phone Number 247-3333  
Document Quarterly Report true  
Document Transition Report false  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Common Stock Shares Outstanding   3,807,026
Security Exchange Name NASDAQ  
Trading Symbol STRT  
Title of 12(b) Security Common stock