Equity Earnings of Joint Ventures (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2018	Oct. 01, 2017
Summarized statements of operations
Equity (loss) earnings of joint ventures	$ 909	$ 1,026
VAST LLC
Summarized statements of operations
Net Sales	40,056	38,510
Cost of Goods Sold	31,102	29,013
Gross Profit (Loss)	8,954	9,497
Engineering, Selling and Administrative Expense	6,150	6,021
Income (Loss) From Operations	2,804	3,476
Other Income (Expense), net	397	150
Income before Provision for Income Taxes	3,201	3,626
Provision for Income Taxes	467	522
Net Income (Loss)	2,734	3,104
STRATTEC’s Share of VAST LLC Net Income	911	1,035
Intercompany Profit Elimination	4
Equity (loss) earnings of joint ventures	915	1,035
SAL LLC
Summarized statements of operations
Net Sales	6	108
Cost of Goods Sold	(3)	152
Gross Profit (Loss)	9	(44)
Engineering, Selling and Administrative Expense	15	(10)
Income (Loss) From Operations	(6)	(34)
Other Income (Expense), net		(65)
Net Income (Loss)	(6)	(99)
Equity (loss) earnings of joint ventures	$ (6)	$ (9)