Equity Loss of Joint Ventures (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 30, 2012	Jan. 01, 2012	Dec. 30, 2012	Jan. 01, 2012
Summarized statements of operations
STRATTEC's Share of VAST LLC Net Loss	$ (101)	$ (196)	$ (115)	$ (318)
Intercompany Profit Eliminations	2	4	4	6
STRATTEC's Equity Loss of Joint Ventures	(99)	(192)	(111)	(312)
VAST LLC [Member]
Summarized statements of operations
Net Sales	22,684	17,009	43,965	38,412
Cost of Goods Sold	18,662	13,918	35,903	33,136
Gross Profit	4,022	3,091	8,062	5,276
Engineering, Selling and Administrative Expenses	4,679	3,874	8,721	6,623
Loss from Operations	(657)	(783)	(659)	(1,347)
Other Income, net	259	100	299	297
Loss Before Income Tax Benefit	(398)	(683)	(360)	(1,050)
Income Tax Benefit	(94)	(96)	(14)	(96)
Net Loss	$ (304)	$ (587)	$ (346)	$ (954)