Restructuring Costs (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 28, 2025	Sep. 29, 2024	Sep. 28, 2025	Sep. 29, 2024	Dec. 29, 2024
Restructuring Cost and Reserve [Line Items]
Restructuring cost	$ 0		$ 0
Impairment and loss on disposal of long-lived assets			0	$ 38,249,000
Stock-based compensation	11,837,000	$ 16,833,000	37,973,000	48,630,000
Restructuring and related cost, incurred cost	0		0
Restructuring cost
Restructuring Cost and Reserve [Line Items]
Stock-based compensation	$ 0	111,000	$ 0	1,216,000
2024 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring cost		$ 3,661,000		41,807,000
Impairment and loss on disposal of long-lived assets				38,200,000
Severance cost				1,600,000
Other restructuring costs				$ 800,000
2024 Restructuring Plan | Other Current Liabilities
Restructuring Cost and Reserve [Line Items]
Restructuring liability					$ 400,000