Net Loss per Share - Schedule of Effect of the Warrant Dividends to Reported Shares and Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 28, 2025	Sep. 29, 2024	Sep. 28, 2025	Sep. 29, 2024
Numerator:
Net loss attributable to common stockholders - basic		$ (53,713)		$ (121,751)
Decrease in fair value of Private Placement Warrants		(1,837)	$ (29,899)	0	$ 0
Net loss attributable to common stockholders - diluted		$ (55,550)	$ (52,435)	$ (121,751)	$ (184,776)
Denominator:
Weighted-average shares outstanding used in computing net loss per share of common stock, basic (in shares)	[1]	206,458,846	187,785,319	204,758,291	183,229,182
Dilutive effect of Private Placement Warrants (in shares)		352,469	191,804	0	0
Weighted-average shares outstanding used in computing net loss per share of common stock, diluted (in shares)	[1]	206,811,315	187,977,123	204,758,291	183,229,182
Net loss per share of common stock:
Basic (in dollars per share)	[1]	$ (0.26)	$ (0.12)	$ (0.59)	$ (1.01)
Diluted (in dollars per share)	[1]	$ (0.27)	$ (0.28)	$ (0.59)	$ (1.01)

[1] As required by ASC 260, Earnings Per Share, the share and per share amounts for the periods presented above in the condensed consolidated financial statements have been retroactively adjusted to reflect the Warrant (as defined in Note 2 “Basis of Presentation and Summary of Significant Accounting Policies”) in July 2025. For more information on the adjusted net loss per share, please refer to Note 11 “Net Loss per Share” for more details.