SEGMENT INFORMATION AND ENTERPRISE-WIDE DISCLOSURES - Narrative (Details) $ in Thousands	12 Months Ended
Jun. 28, 2025 USD ($) segment	Jun. 29, 2024 USD ($)
Segment Reporting Information [Line Items]
Net sales	$ 467,871	$ 566,942
Number of Operating Segments \| segment	1
Key Tronic E M S
Segment Reporting Information [Line Items]
Net sales	$ 467,900	$ 566,900

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details