Restructuring - Components of Restructuring Charges (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 28, 2024	Sep. 28, 2024	Dec. 30, 2023	Dec. 31, 2022
2024 Plan
Restructuring Cost And Reserve [Line Items]
Total restructuring charges	$ 14,812	$ 14,812
2024 Plan | Employee Termination Benefit Costs
Restructuring Cost And Reserve [Line Items]
Cash restructuring charges	14,410	14,410
2024 Plan | Other Cash Restructuring Charges
Restructuring Cost And Reserve [Line Items]
Cash restructuring charges	402	402
2023 Plan
Restructuring Cost And Reserve [Line Items]
Cash restructuring charges	(749)	6,629	$ 47,106	$ 13,608
Non-cash restructuring charges		25	6,637
Total restructuring charges	(749)	6,654	53,743	13,608
2023 Plan | Other Cash Restructuring Charges
Restructuring Cost And Reserve [Line Items]
Cash restructuring charges		581	1,577
2023 Plan | Accelerated Depreciation And Amortization Charges
Restructuring Cost And Reserve [Line Items]
Non-cash restructuring charges			6,831
2023 Plan | Other Non-cash Restructuring Charges
Restructuring Cost And Reserve [Line Items]
Non-cash restructuring charges			(194)
2023 Plan | Real Estate Restructuring | Lease Termination Costs
Restructuring Cost And Reserve [Line Items]
Cash restructuring charges	21	(135)	12,924
2023 Plan | Real Estate Restructuring | Employee Termination Benefit Costs
Restructuring Cost And Reserve [Line Items]
Cash restructuring charges	1,349	3,625	5,678	1,798
2023 Plan | Organizational Restructuring | Employee Termination Benefit Costs
Restructuring Cost And Reserve [Line Items]
Cash restructuring charges	$ (2,119)	$ 2,558	$ 26,927	11,810
2022 Plan
Restructuring Cost And Reserve [Line Items]
Cash restructuring charges				22,589
Non-cash restructuring charges				4,592
Total restructuring charges				27,181
2022 Plan | Lease Termination Costs
Restructuring Cost And Reserve [Line Items]
Cash restructuring charges				2,424
2022 Plan | Employee Termination Benefit Costs
Restructuring Cost And Reserve [Line Items]
Cash restructuring charges				19,170
2022 Plan | Other Cash Restructuring Charges
Restructuring Cost And Reserve [Line Items]
Cash restructuring charges				995
2022 Plan | Lease Impairments
Restructuring Cost And Reserve [Line Items]
Non-cash restructuring charges				2,680
2022 Plan | Accelerated Depreciation And Amortization Charges
Restructuring Cost And Reserve [Line Items]
Non-cash restructuring charges				1,453
2022 Plan | Other Non-cash Restructuring Charges
Restructuring Cost And Reserve [Line Items]
Non-cash restructuring charges				$ 459