v3.19.2
Document and Entity Information - USD ($)
12 Months Ended
Jun. 30, 2019
Aug. 02, 2019
Dec. 28, 2018
Document And Entity Information [Abstract]      
Entity Registrant Name STRATTEC SECURITY CORP    
Entity Central Index Key 0000933034    
Document Type 10-K    
Document Period End Date Jun. 30, 2019    
Amendment Flag false    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Trading Symbol STRT    
Current Fiscal Year End Date --06-30    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float     $ 106,933,000
Entity Filer Category Accelerated Filer    
Entity Common Stock Shares Outstanding   3,755,027  
Entity Small Business true    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity File Number 0-25150    
Entity Tax Identification Number 391804239    
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