Segment Information - Schedule of Sales to Largest Customers (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 28, 2026	Jun. 29, 2025	Jun. 30, 2024
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items]
Net sales	$ 579,392	$ 565,066	$ 537,766
Reportable Segment
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items]
Net sales	579,392	565,066	537,766
General Motors Company \| Customer Concentration Risk \| Sales Revenue Net
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items]
Net sales	$ 158,712	$ 165,701	$ 163,097
Percentage of total net sales	27.00%	29.00%	30.00%
Ford Motor Company \| Customer Concentration Risk \| Sales Revenue Net
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items]
Net sales	$ 120,555	$ 129,193	$ 114,937
Percentage of total net sales	21.00%	23.00%	21.00%
Stellantis \| Customer Concentration Risk \| Sales Revenue Net
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items]
Net sales	$ 94,226	$ 65,821	$ 77,665
Percentage of total net sales	16.00%	12.00%	14.00%
Total of Major Customers \| Customer Concentration Risk \| Sales Revenue Net
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items]
Net sales	$ 373,493	$ 360,715	$ 355,699
Percentage of total net sales	64.00%	64.00%	66.00%