Revenue from Contracts with Customers - Revenue by Customer or Customer Group (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 27, 2022	Mar. 28, 2021	Mar. 27, 2022	Mar. 28, 2021
Entity Wide Revenue Major Customer [Line Items]
Revenue	$ 115,943	$ 121,644	$ 329,192	$ 375,238
General Motors Company
Entity Wide Revenue Major Customer [Line Items]
Revenue	34,738	34,543	91,551	111,322
Ford Motor Company
Entity Wide Revenue Major Customer [Line Items]
Revenue	19,162	21,722	57,927	54,356
Stellantis (Formerly Fiat Chrysler Automobiles)
Entity Wide Revenue Major Customer [Line Items]
Revenue	23,047	21,685	62,657	69,919
Commercial and Other OEM Customers
Entity Wide Revenue Major Customer [Line Items]
Revenue	16,518	17,241	50,120	58,272
Tier 1 Customers
Entity Wide Revenue Major Customer [Line Items]
Revenue	15,279	17,289	42,861	53,444
Hyundai / Kia
Entity Wide Revenue Major Customer [Line Items]
Revenue	$ 7,199	$ 9,164	$ 24,076	$ 27,925