Document and Entity Information - shares	6 Months Ended
	Dec. 27, 2015	Dec. 28, 2015
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. 27, 2015
Amendment Flag	false
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q2
Trading Symbol	STRT
Current Fiscal Year End Date	--07-03
Entity Filer Category	Accelerated Filer
Entity Common Stock Shares Outstanding		3,637,339