Organization and Summary of Significant Accounting Policies (Details Textual)	12 Months Ended
	Jun. 30, 2024 USD ($) OfficeSpace Associates Subsidiary Segment Joint_Venture shares	Jul. 02, 2023 USD ($) shares	Aug. 31, 2024 USD ($)
Organization And Summary Of Significant Accounting Policies [Line Items]
Number of reportable segments | Segment	1
Fiscal year duration	364 days	364 days
Reduction in trust assets due to planned settlement	$ 1,200,000
Accounts receivable, allowance for credit losses	500,000	$ 500,000
Value added tax recoverable increased	11,800,000
Value added tax payable increased	3,500,000
Property, plant and equipment impairment	$ 0	$ 0
Percentage of inventory purchases from major suppliers	30.00%	39.00%
Operating lease expense	$ 989,000	$ 497,000
Research and development expenditures	$ 14,800,000	$ 15,900,000
Share based compensation arrangement by share based payment award number of shares authorized | shares	2,250,000
Shares of common stock available for grant | shares	361,085
Options, granted | shares	0	0
Compensation Cost	$ 0	$ 0
Mexican Peso Forward Contracts
Organization And Summary Of Significant Accounting Policies [Line Items]
Fair market value of derivative instruments	$ 0	$ 0
Subsequent Event | Mexican Peso Forward Contracts
Organization And Summary Of Significant Accounting Policies [Line Items]
Notional amount			$ 33,500,000
Weighted average forward exchange rate			19.73
Employee Stock Option
Organization And Summary Of Significant Accounting Policies [Line Items]
Options expires after date of grant	10 years
Restricted stock
Organization And Summary Of Significant Accounting Policies [Line Items]
Compensation Cost	$ 930,000
Minimum
Organization And Summary Of Significant Accounting Policies [Line Items]
Payment generally occurs after shipment date	45 days
Minimum | Supplier Concentration Risk
Organization And Summary Of Significant Accounting Policies [Line Items]
Percentage of inventory purchases from major suppliers	2.50%
Minimum | Employee Stock Option
Organization And Summary Of Significant Accounting Policies [Line Items]
Vesting period after the date of grant	1 year
Minimum | Restricted stock
Organization And Summary Of Significant Accounting Policies [Line Items]
Vesting period after the date of grant	1 year
Minimum | New Vehicle Production | Long-term Supply Agreements
Organization And Summary Of Significant Accounting Policies [Line Items]
Production period	4 years
Minimum | Service Parts Production | Long-term Supply Agreements
Organization And Summary Of Significant Accounting Policies [Line Items]
Production period	10 years
Maximum
Organization And Summary Of Significant Accounting Policies [Line Items]
Payment generally occurs after shipment date	90 days
Maximum | Employee Stock Option
Organization And Summary Of Significant Accounting Policies [Line Items]
Vesting period after the date of grant	4 years
Maximum | Restricted stock
Organization And Summary Of Significant Accounting Policies [Line Items]
Vesting period after the date of grant	3 years
Maximum | New Vehicle Production | Long-term Supply Agreements
Organization And Summary Of Significant Accounting Policies [Line Items]
Production period	6 years
Maximum | Service Parts Production | Long-term Supply Agreements
Organization And Summary Of Significant Accounting Policies [Line Items]
Production period	15 years
Milwaukee, WI Facility
Organization And Summary Of Significant Accounting Policies [Line Items]
Number of associates represented by labor union | Associates	170
Percentage of total STRATTEC associates represented by labor union.	5.10%
Worldwide Facility
Organization And Summary Of Significant Accounting Policies [Line Items]
Number of full time associates | Associates	3,365
Mexico Facility
Organization And Summary Of Significant Accounting Policies [Line Items]
Number of associates represented by labor union | Associates	152
Percentage of total STRATTEC associates represented by labor union.	4.50%
El Paso Warehouse Lease
Organization And Summary Of Significant Accounting Policies [Line Items]
Operating lease, expiration term	2028-12
Operating lease, existence of option to extend	false
Korean Branch Office
Organization And Summary Of Significant Accounting Policies [Line Items]
Number of operating leases | OfficeSpace	2
Lease renewal term	Jul. 01, 2024
Lease extension period	4 years
Leases term end date	Jul. 01, 2024
ASU 2016-13
Organization And Summary Of Significant Accounting Policies [Line Items]
Change in Accounting Principle, Accounting Standards Update, Adopted [true false]	true
Change in Accounting Principle, Accounting Standards Update, Adoption Date	Oct. 01, 2023
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false]	true
VAST LLC | CHINA
Organization And Summary Of Significant Accounting Policies [Line Items]
Number of wholly owned subsidiaries | Subsidiary	4
VAST LLC | BRAZIL
Organization And Summary Of Significant Accounting Policies [Line Items]
Number of wholly owned subsidiaries | Subsidiary	1
VAST LLC | INDIA
Organization And Summary Of Significant Accounting Policies [Line Items]
Number of joint venture entities | Joint_Venture	1