Equity (Loss) Earnings of Joint Ventures (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 27, 2015	Dec. 28, 2014	Dec. 27, 2015	Dec. 28, 2014
Summarized statements of operations
Equity earnings (loss) of joint ventures	$ (22)	$ (121)	$ (315)	$ 69
VAST LLC
Summarized statements of operations
Net Sales	31,402	35,663	57,750	66,661
Cost of Goods Sold	25,497	30,469	47,411	56,552
Gross Profit	5,905	5,194	10,339	10,109
Engineering, Selling and Administrative Expenses	4,491	4,590	8,116	8,788
Income (Loss) From Operations	1,414	604	2,223	1,321
Other (Expense) Income, net	(150)	183	(462)	656
Income before Provision for Income taxes	1,264	787	1,761	1,977
Provision for Income Taxes	217	376	311	435
Net Income (Loss)	1,047	411	1,450	1,542
STRATTEC’s Share of VAST LLC Net Income	349	137	483	514
Intercompany Profit Elimination	(4)	5	(5)	4
Equity earnings (loss) of joint ventures	345	142	478	518
SAL, LLC
Summarized statements of operations
Net Sales	65		125
Cost of Goods Sold	40		95
Gross Profit	25		30
Engineering, Selling and Administrative Expenses	358	516	604	880
Income (Loss) From Operations	(333)	(516)	(574)	(880)
Other (Expense) Income, net	(10)		(18)
Net Income (Loss)	(343)	(516)	(592)	(880)
STRATTEC’s Share of Equity Loss of SAL LLC	(343)	(263)	(592)	(449)
Loss on Loan to SAL LLC			(150)
Loss on SAL LLC Credit Facility Guarantee	(24)		(51)
Equity earnings (loss) of joint ventures	$ (367)	$ (263)	$ (793)	$ (449)