Segment Information - Segment Information by Geographic Area (Details) $ in Thousands	3 Months Ended
	Apr. 05, 2025 USD ($) segment	Mar. 30, 2024 USD ($)	Dec. 28, 2024 USD ($)
Segment Reporting Information [Line Items]
Number of operating segments | segment	1
Revenues	$ 177,714	$ 106,375
Property and equipment, net	129,707		$ 132,136
United States
Segment Reporting Information [Line Items]
Revenues	16,684	4,944
Property and equipment, net	106,468		107,612
China
Segment Reporting Information [Line Items]
Revenues	58,769	28,197
Taiwan
Segment Reporting Information [Line Items]
Revenues	29,832	15,366
Rest of world
Segment Reporting Information [Line Items]
Revenues	72,429	$ 57,868
Property and equipment, net	$ 23,239		$ 24,524