Consolidated Statements of Loss and Comprehensive (Loss) Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 28, 2020	Jun. 30, 2019
Income Statement [Abstract]
NET SALES	$ 385,300	$ 487,006
Cost of goods sold	349,854	429,206
GROSS PROFIT	35,446	57,800
Engineering, selling, and administrative expenses	44,108	47,186
(LOSS) INCOME FROM OPERATIONS	(8,662)	10,614
Equity (loss) earnings of joint ventures	(209)	2,783
Interest expense	(920)	(1,615)
Pension termination settlement charge		(31,878)
Other income (expense), net	1,668	(337)
LOSS BEFORE BENEFIT FOR INCOME TAXES AND NON- CONTROLLING INTEREST	(8,123)	(20,433)
Benefit for income taxes	(2,266)	(7,740)
NET LOSS	(5,857)	(12,693)
Net income attributable to non-controlling interest	1,748	4,336
NET LOSS ATTRIBUTABLE TO STRATTEC SECURITY CORPORATION	(7,605)	(17,029)
COMPREHENSIVE (LOSS) INCOME:
NET LOSS	(5,857)	(12,693)
Currency translation adjustments, net of tax	(5,796)	(555)
Pension and postretirement plans, net of tax	274	19,861
TOTAL OTHER COMPREHENSIVE (LOSS) INCOME	(5,522)	19,306
COMPREHENSIVE (LOSS) INCOME	(11,379)	6,613
Comprehensive (loss) income attributable to non-controlling interest	(229)	4,724
COMPREHENSIVE (LOSS) INCOME ATTRIBUTABLE TO STRATTEC SECURITY CORPORATION	$ (11,150)	$ 1,889
LOSS PER SHARE ATTRIBUTABLE TO STRATTEC SECURITY CORPORATION:
Basic	$ (2.04)	$ (4.63)
Diluted	$ (2.04)	$ (4.63)
AVERAGE SHARES OUTSTANDING:
Basic	3,737	3,676
Diluted	3,737	3,676