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Disaggregation of Sales, Geographic Sales and Product Sales - Net Sales by Geographic Areas (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 27, 2025	Jun. 28, 2024	Jun. 27, 2025	Jun. 28, 2024
Geographic And Sales [Line Items]
Total net sales		$ 44,320	$ 99,005	$ 86,909	$ 176,361
Geographic Distribution, Domestic [Member]
Geographic And Sales [Line Items]
Total net sales		5,635	5,399	11,094	10,334
Geographic Distribution, Foreign [Member]
Geographic And Sales [Line Items]
Total net sales		38,685	93,606	75,815	166,027
Geographic Distribution, Foreign [Member] | China [Member]
Geographic And Sales [Line Items]
Total net sales		5,299	63,519	4,422	101,996
Geographic Distribution, Foreign [Member] | JAPAN
Geographic And Sales [Line Items]
Total net sales		10,915	9,887	22,310	20,344
Geographic Distribution, Foreign [Member] | Korea [Member]
Geographic And Sales [Line Items]
Total net sales		4,293	3,924	11,815	10,660
Geographic Distribution, Foreign [Member] | Other [Member]
Geographic And Sales [Line Items]
Total net sales	[1]	$ 18,178	$ 16,276	$ 37,268	$ 33,027
[1] No other location individually exceeds 10% of the total sales.

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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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