Basis of Financial Statements - Schedule of impact of the prior period corrections (Details) - USD ($) $ in Thousands	Jan. 01, 2023	Oct. 02, 2022	Jul. 03, 2022	Dec. 26, 2021	Sep. 26, 2021	Jun. 27, 2021
ASSETS
Investment in joint ventures	$ 26,301		$ 26,654
Deferred Income Taxes	7,150		7,081
Total assets	320,771		319,134
LIABILITIES AND SHAREHOLDERS’ EQUITY
Total current liabilities	79,536		81,529
Accrued postretirement obligations	1,333		1,329
Retained earnings	239,255	$ 241,094	240,969	$ 237,442	$ 234,051	$ 233,953
Accumulated other comprehensive loss	(19,226)	(19,256)	(18,588)	(17,513)	(17,398)	(16,914)
Total STRATTEC SECURITY CORPORATION shareholders’ equity	187,068	188,594	188,400	185,173	181,639	181,010
Total shareholders’ equity	217,676	219,409	219,947	216,424	212,797	212,797
Total liabilities and shareholders' equity	320,771		319,134
Accrued Liabilities:
Payroll and benefits	18,878		17,959
Accumulated Other Comprehensive Loss:
Accumulated other comprehensive loss	(19,226)	(19,256)	(18,588)	(17,513)	(17,398)	(16,914)
Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest
LIABILITIES AND SHAREHOLDERS’ EQUITY
Accumulated other comprehensive loss		(17,471)	(16,733)	(15,436)	(15,245)	(14,683)
Total shareholders’ equity	(17,511)	(17,471)	16,733	(15,436)	(15,245)	(14,683)
Accumulated Other Comprehensive Loss:
Accumulated other comprehensive loss		(17,471)	(16,733)	(15,436)	(15,245)	(14,683)
Retirement and Postretirement Benefit Plans
LIABILITIES AND SHAREHOLDERS’ EQUITY
Accumulated other comprehensive loss		(1,785)	(1,855)	(2,077)	(2,153)	(2,231)
Total shareholders’ equity	$ (1,715)	(1,785)	1,855	(2,077)	(2,153)	(2,231)
Accumulated Other Comprehensive Loss:
Accumulated other comprehensive loss		(1,785)	(1,855)	(2,077)	(2,153)	(2,231)
Previously Reported
ASSETS
Investment in joint ventures			26,344
Deferred Income Taxes			6,937
Total assets			318,680
LIABILITIES AND SHAREHOLDERS’ EQUITY
Total current liabilities			81,475
Accrued postretirement obligations			463
Retained earnings		241,632	241,504	237,967	234,573	234,472
Accumulated other comprehensive loss		(19,320)	(18,657)	(17,391)	(17,278)	(16,797)
Total STRATTEC SECURITY CORPORATION shareholders’ equity		189,068	188,866	185,820	182,281	181,646
Total shareholders’ equity		219,883	220,413	217,071	213,439	213,433
Total liabilities and shareholders' equity			318,680
Accrued Liabilities:
Payroll and benefits			17,905
Accumulated Other Comprehensive Loss:
Accumulated other comprehensive loss		(19,320)	(18,657)	(17,391)	(17,278)	(16,797)
Previously Reported | Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest
LIABILITIES AND SHAREHOLDERS’ EQUITY
Accumulated other comprehensive loss		(17,461)	(16,723)	(15,438)	(15,247)	(14,685)
Accumulated Other Comprehensive Loss:
Accumulated other comprehensive loss		(17,461)	(16,723)	(15,438)	(15,247)	(14,685)
Previously Reported | Retirement and Postretirement Benefit Plans
LIABILITIES AND SHAREHOLDERS’ EQUITY
Accumulated other comprehensive loss		(1,859)	(1,934)	(1,953)	(2,031)	(2,112)
Accumulated Other Comprehensive Loss:
Accumulated other comprehensive loss		(1,859)	(1,934)	(1,953)	(2,031)	(2,112)
Adjustment
ASSETS
Investment in joint ventures			310
Deferred Income Taxes			144
Total assets			454
LIABILITIES AND SHAREHOLDERS’ EQUITY
Total current liabilities			54
Accrued postretirement obligations			866
Retained earnings		(538)	(535)	(525)	(522)	(519)
Accumulated other comprehensive loss		64	69	(122)	(120)	(117)
Total STRATTEC SECURITY CORPORATION shareholders’ equity		(474)	(466)	(647)	(642)	(636)
Total shareholders’ equity		(474)	(466)	(647)	(642)	(636)
Total liabilities and shareholders' equity			454
Accrued Liabilities:
Payroll and benefits			54
Accumulated Other Comprehensive Loss:
Accumulated other comprehensive loss		64	69	(122)	(120)	(117)
Adjustment | Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest
LIABILITIES AND SHAREHOLDERS’ EQUITY
Accumulated other comprehensive loss		(10)	(10)	2	2	2
Accumulated Other Comprehensive Loss:
Accumulated other comprehensive loss		(10)	(10)	2	2	2
Adjustment | Retirement and Postretirement Benefit Plans
LIABILITIES AND SHAREHOLDERS’ EQUITY
Accumulated other comprehensive loss		74	79	(124)	(122)	(119)
Accumulated Other Comprehensive Loss:
Accumulated other comprehensive loss		$ 74	$ 79	$ (124)	$ (122)	$ (119)