Equity Earnings (Loss) of Joint Ventures - Summarized Statements of Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 27, 2022	Mar. 28, 2021	Mar. 27, 2022	Mar. 28, 2021
Summarized statements of operations
Net sales	$ 115,943	$ 121,644	$ 329,192	$ 375,238
Cost of goods sold	101,305	102,990	287,072	311,832
Gross profit	14,638	18,654	42,120	63,406
Engineering, selling and administrative expenses	11,261	11,927	34,683	33,543
Income from operations	3,377	6,727	7,437	29,863
Other income (expense), net	285	455	320	(1,171)
Income before provision for income taxes and non-controlling interest	4,185	7,063	8,539	30,277
Provision for Income Taxes	50	1,153	342	4,721
Net income	4,135	5,910	8,197	25,556
STRATTEC’s Equity Earnings (Loss) of VAST LLC	577	(56)	941	1,844
VAST LLC | Equity Method Investment Summarized Financial Information
Summarized statements of operations
Net sales	55,281	51,748	153,454	160,511
Cost of goods sold	46,418	44,155	127,022	131,345
Gross profit	8,863	7,593	26,432	29,166
Engineering, selling and administrative expenses	7,575	7,684	24,075	22,936
Income from operations	1,288	(91)	2,357	6,230
Other income (expense), net	692	327	1,085	1,363
Income before provision for income taxes and non-controlling interest	1,980	236	3,442	7,593
Provision for Income Taxes	239	348	614	2,011
Net income	1,741	(112)	2,828	5,582
STRATTEC's Share of VAST LLC Net Income (Loss)	581	(37)	943	1,861
Intercompany Profit Elimination	(4)	(19)	(2)	(17)
STRATTEC’s Equity Earnings (Loss) of VAST LLC	$ 577	$ (56)	$ 941	$ 1,844