Intangible assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 28, 2024	Dec. 30, 2023
Finite Lived Intangible Assets [Line Items]
Total intangible assets	$ 39,283	$ 19,297
Less accumulated amortization	(4,853)	(1,451)
Total intangible assets, net	34,430	17,846
Soin intangibles
Finite Lived Intangible Assets [Line Items]
Total intangible assets	19,293	19,293
Qoden intangible
Finite Lived Intangible Assets [Line Items]
Total intangible assets	1,536	0
Patents and domains
Finite Lived Intangible Assets [Line Items]
Total intangible assets	4	4
Trade names
Finite Lived Intangible Assets [Line Items]
Total intangible assets	2,675	0
Customer relationships
Finite Lived Intangible Assets [Line Items]
Total intangible assets	13,925	0
Developed technology
Finite Lived Intangible Assets [Line Items]
Total intangible assets	$ 1,850	$ 0