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Summary of Significant Accounting Policies - Other Expense, Net (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2025	Sep. 28, 2024	Sep. 27, 2025	Sep. 28, 2024
Accounting Policies [Abstract]
Interest income	$ 503	$ 1,676	$ 2,391	$ 6,568
Interest expense	(1,648)	(5,370)	(11,778)	(16,306)
Change in fair value of term loan	3,766	(8,769)	1,079	(13,515)
Debt issuance costs	(944)	(52)	(19,580)	(529)
Loss on strategic investments	(1,960)	0	(1,566)	(375)
Other	(428)	(33)	1,063	(426)
Other expense, net	(711)	$ (12,548)	(28,391)	$ (24,583)
Fair value of warrants issued during period	$ 0		$ 16,800

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