Revenue from Contracts with Customers - Revenue by Customer or Customer Group (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 01, 2023	Dec. 26, 2021	Jan. 01, 2023	Dec. 26, 2021
Entity Wide Revenue Major Customer [Line Items]
Revenue	$ 113,184	$ 112,908	$ 233,544	$ 213,249
General Motors Company
Entity Wide Revenue Major Customer [Line Items]
Revenue	35,534	31,129	73,684	56,813
Ford Motor Company
Entity Wide Revenue Major Customer [Line Items]
Revenue	22,149	21,070	46,765	38,765
Stellantis
Entity Wide Revenue Major Customer [Line Items]
Revenue	16,995	23,050	34,150	39,610
Tier 1 Customers
Entity Wide Revenue Major Customer [Line Items]
Revenue	16,083	15,607	33,392	27,582
Commercial and Other OEM Customers
Entity Wide Revenue Major Customer [Line Items]
Revenue	13,134	16,190	27,960	33,602
Hyundai / Kia
Entity Wide Revenue Major Customer [Line Items]
Revenue	$ 9,289	$ 5,862	$ 17,593	$ 16,877