Consolidated Statements of Income (Loss) and Comprehensive Income (Loss) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 27, 2021	Jun. 28, 2020
Income Statement [Abstract]
NET SALES	$ 485,295	$ 385,300
Cost of goods sold	406,637	349,854
GROSS PROFIT	78,658	35,446
Engineering, selling, and administrative expenses	44,743	44,108
INCOME (LOSS) FROM OPERATIONS	33,915	(8,662)
Equity earnings (loss) of joint ventures	2,560	(209)
Interest expense	(302)	(920)
Other (expense) income, net	(1,165)	1,668
INCOME (LOSS) BEFORE BENEFIT FOR INCOME TAXES AND NON- CONTROLLING INTEREST	35,008	(8,123)
Provision (benefit) for income taxes	5,111	(2,266)
NET INCOME (LOSS)	29,897	(5,857)
Net income attributable to non-controlling interest	7,365	1,748
NET INCOME (LOSS) ATTRIBUTABLE TO STRATTEC SECURITY CORPORATION	22,532	(7,605)
COMPREHENSIVE INCOME (LOSS):
NET INCOME (LOSS)	29,897	(5,857)
Currency translation adjustments, net of tax	7,144	(5,796)
Pension and postretirement plans, net of tax	(135)	274
TOTAL OTHER COMPREHENSIVE INCOME (LOSS)	7,009	(5,522)
COMPREHENSIVE INCOME (LOSS)	36,906	(11,379)
Comprehensive income (loss) attributable to non-controlling interest	9,058	(229)
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO STRATTEC SECURITY CORPORATION	$ 27,848	$ (11,150)
INCOME (LOSS) PER SHARE ATTRIBUTABLE TO STRATTEC SECURITY CORPORATION:
Basic	$ 5.95	$ (2.04)
Diluted	$ 5.85	$ (2.04)
AVERAGE SHARES OUTSTANDING:
Basic	3,788	3,737
Diluted	3,852	3,737