Geographic Assets - Composition of Long-Lived Assets (Details) - USD ($) $ in Thousands	Dec. 29, 2023	Dec. 30, 2022
Revenues From External Customers And Long Lived Assets [Line Items]
Property, plant and equipment, net	$ 66,835	$ 50,921
Finance lease ROU assets, net	183	342
Operating lease ROU assets, net	34,387	30,270
Intangible assets, net		173
Total	101,405	81,706
U.S.
Revenues From External Customers And Long Lived Assets [Line Items]
Property, plant and equipment, net	55,851	41,912
Finance lease ROU assets, net	182	329
Operating lease ROU assets, net	26,501	23,303
Intangible assets, net		83
Total	82,534	65,627
JAPAN
Revenues From External Customers And Long Lived Assets [Line Items]
Property, plant and equipment, net	147	129
Finance lease ROU assets, net	1	13
Operating lease ROU assets, net	796	280
Intangible assets, net		90
Total	944	512
SWITZERLAND
Revenues From External Customers And Long Lived Assets [Line Items]
Property, plant and equipment, net	10,837	8,880
Finance lease ROU assets, net
Operating lease ROU assets, net	7,090	6,687
Intangible assets, net
Total	$ 17,927	$ 15,567