Document and Entity Information
| Document and Entity Information | Sep. 30, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Sep. 30, 2021 |
| Entity Registrant Name | STRATTEC SECURITY CORP |
| Entity Incorporation, State or Country Code | WI |
| Entity File Number | 000-25150 |
| 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 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0000933034 |
| Title of 12(b) Security | Common stock, $.01 par value |
| Trading Symbol | STRT |
| Security Exchange Name | NASDAQ |