Property and Equipment - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Jan. 02, 2026	Jan. 03, 2025
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 231,188	$ 220,123
Less: accumulated depreciation and amortization	(132,228)	(100,732)
Total property and equipment, net	$ 98,960	119,391
Leasehold improvements
Property, Plant and Equipment [Line Items]
Estimated useful lives	15 years
Total property and equipment	$ 111,087	108,277
Computer equipment and software
Property, Plant and Equipment [Line Items]
Estimated useful lives	3 years
Total property and equipment	$ 17,160	15,671
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Estimated useful lives	7 years
Total property and equipment	$ 23,648	22,865
Laboratory equipment
Property, Plant and Equipment [Line Items]
Estimated useful lives	5 years
Total property and equipment	$ 76,290	70,435
Construction in progress
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 3,003	$ 2,875