Condensed Consolidated Statements of (Loss) Income and Comprehensive (Loss) Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 30, 2018	Dec. 31, 2017	Dec. 30, 2018	Dec. 31, 2017
Income Statement [Abstract]
Net sales	$ 112,913	$ 103,182	$ 230,072	$ 205,642
Cost of goods sold	100,177	90,536	202,153	179,533
Gross profit	12,736	12,646	27,919	26,109
Engineering, selling and administrative expenses	10,470	10,152	21,501	20,194
Income from operations	2,266	2,494	6,418	5,915
Interest income		3		7
Equity earnings of joint ventures	1,476	1,473	2,385	2,499
Interest expense	(404)	(253)	(811)	(456)
Pension Termination Settlement Charge	(32,434)		(32,434)
Other (expense) income, net	(262)	109	(507)	196
(Loss) income before (benefit) provision for income taxes and non-controlling interest	(29,358)	3,826	(24,949)	8,161
(Benefit) provision for income taxes	(7,760)	(9)	(7,780)	1,057
Net (loss) income	(21,598)	3,835	(17,169)	7,104
Net income attributable to non-controlling Interest	566	953	1,528	1,766
Net (loss) income attributable to STRATTEC SECURITY CORPORATION	(22,164)	2,882	(18,697)	5,338
Comprehensive (Loss) Income:
Net (loss) income	(21,598)	3,835	(17,169)	7,104
Pension and postretirement plans, net of tax	19,677	277	19,993	555
Currency translation adjustments	(1,829)	(2,591)	(998)	(2,294)
Other comprehensive income (loss), net of tax	17,848	(2,314)	18,995	(1,739)
Comprehensive (loss) income	(3,750)	1,521	1,826	5,365
Comprehensive income attributable to non- controlling interest	69	80	1,685	815
Comprehensive (loss) income attributable to STRATTEC SECURITY CORPORATION	$ (3,819)	$ 1,441	$ 141	$ 4,550
(Loss) earnings per share attributable to STRATTEC SECURITY CORPORATION:
Basic	$ (6.03)	$ 0.79	$ (5.10)	$ 1.47
Diluted	$ (5.96)	$ 0.78	$ (5.03)	$ 1.44
Average shares outstanding:
Basic	3,675	3,631	3,663	3,621
Diluted	3,718	3,715	3,715	3,698
Cash dividends declared per share	$ 0.14	$ 0.14	$ 0.28	$ 0.28