Disaggregation of Sales, Geographic Sales and Product Sales - Net Sales by Geographic Areas (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 29, 2024	Mar. 31, 2023
Geographic And Sales [Line Items]
Total net sales		$ 77,356	$ 73,528
Geographic Distribution, Domestic [Member]
Geographic And Sales [Line Items]
Total net sales		4,935	4,551
Geographic Distribution, Foreign [Member]
Geographic And Sales [Line Items]
Total net sales		72,421	68,977
Geographic Distribution, Foreign [Member] | China [Member]
Geographic And Sales [Line Items]
Total net sales		38,549	35,090
Geographic Distribution, Foreign [Member] | JAPAN
Geographic And Sales [Line Items]
Total net sales		10,456	10,936
Geographic Distribution, Foreign [Member] | Other [Member]
Geographic And Sales [Line Items]
Total net sales	[1]	$ 23,416	$ 22,951

[1] No other location individually exceeds 10% of the total sales.