Investment in Joint Ventures and Majority Owned Subsidiaries (Details Textual) - USD ($)	3 Months Ended
Sep. 26, 2021	Sep. 27, 2020
Schedule Of Equity Method Investments [Line Items]
Equity (loss) earnings of joint ventures	$ (251,000)	$ 825,000
VAST LLC \| MINDA-VAST ACCESS SYSTEMS
Schedule Of Equity Method Investments [Line Items]
Percentage ownership interest in equity method investment	50.00%
STRATTEC \| ADAC-STRATTEC LLC
Schedule Of Equity Method Investments [Line Items]
Percentage ownership interest in less than wholly owned consolidated subsidiary	51.00%	51.00%
Majority owned subsidiary, impact on net income	$ (318,000)	$ 1,400,000
Majority owned subsidiary, impact on net sales	$ 23,500,000	$ 34,100,000
STRATTEC \| Strattec Power Access Llc
Schedule Of Equity Method Investments [Line Items]
Percentage ownership interest in less than wholly owned consolidated subsidiary	80.00%	80.00%
Majority owned subsidiary, impact on net income	$ 1,200,000	$ 685,000
Majority owned subsidiary, impact on net sales	$ 21,100,000	20,600,000
STRATTEC \| VAST LLC
Schedule Of Equity Method Investments [Line Items]
Percentage ownership interest in equity method investment	33.33%
Equity (loss) earnings of joint ventures	$ (251,000)	825,000
Payments to acquire interest in joint venture	$ 0	$ 0
ADAC \| ADAC-STRATTEC LLC
Schedule Of Equity Method Investments [Line Items]
Percentage ownership interest in less than wholly owned consolidated subsidiary	49.00%	49.00%
Engineering, research, design and sales fee	$ 1,600,000	$ 2,400,000
Sales	$ 1,200,000	$ 3,100,000
ADAC \| VAST LLC
Schedule Of Equity Method Investments [Line Items]
Percentage ownership interest in equity method investment	33.30%
WITTE \| Strattec Power Access Llc
Schedule Of Equity Method Investments [Line Items]
Percentage ownership interest in less than wholly owned consolidated subsidiary	20.00%	20.00%
WITTE \| VAST LLC
Schedule Of Equity Method Investments [Line Items]
Percentage ownership interest in equity method investment	33.30%
WITTE \| STRATTEC
Schedule Of Equity Method Investments [Line Items]
Purchases	$ 187,000	$ 83,000

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