Condensed Consolidated Statements of Income and Comprehensive Income (Loss) (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 28, 2021	Mar. 29, 2020	Mar. 28, 2021	Mar. 29, 2020
Income Statement [Abstract]
Net sales	$ 121,644	$ 116,938	$ 375,238	$ 343,183
Cost of goods sold	102,990	99,928	311,832	299,954
Gross profit	18,654	17,010	63,406	43,229
Engineering, selling and administrative expenses	11,927	10,727	33,543	35,775
Income from operations	6,727	6,283	29,863	7,454
Equity (loss) earnings of joint ventures	(56)	(921)	1,844	55
Interest expense	(63)	(204)	(259)	(792)
Other income (expense), net	455	1,049	(1,171)	975
Income before provision for income taxes and non-controlling interest	7,063	6,207	30,277	7,692
Provision for income taxes	1,153	1,294	4,721	1,194
Net income	5,910	4,913	25,556	6,498
Net income attributable to non-controlling Interest	1,425	1,919	5,950	3,601
Net income attributable to STRATTEC SECURITY CORPORATION	4,485	2,994	19,606	2,897
Comprehensive income (loss):
Net income	5,910	4,913	25,556	6,498
Pension and postretirement plans, net of tax	69	74	208	220
Currency translation adjustments	(697)	(6,245)	5,419	(6,059)
Other comprehensive (loss) income, net of tax	(628)	(6,171)	5,627	(5,839)
Comprehensive income (loss)	5,282	(1,258)	31,183	659
Comprehensive income (loss) attributable to non-controlling interest	1,016	(468)	7,175	1,464
Comprehensive income (loss) attributable to STRATTEC SECURITY CORPORATION	$ 4,266	$ (790)	$ 24,008	$ (805)
Earnings per share attributable to STRATTEC SECURITY CORPORATION:
Basic	$ 1.18	$ 0.80	$ 5.18	$ 0.78
Diluted	$ 1.15	$ 0.79	$ 5.11	$ 0.77
Average shares outstanding:
Basic	3,797	3,748	3,783	3,733
Diluted	3,886	3,768	3,839	3,752
Cash dividends declared per share		$ 0.14		$ 0.42