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Restructuring Costs - Schedule of Restructuring and Related Costs (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended | 15 Months Ended | 24 Months Ended
--- | --- | --- | --- | --- | ---
Sep. 27, 2025 | Sep. 28, 2024 | Sep. 27, 2025 | Sep. 28, 2024 | Dec. 28, 2024 | Dec. 28, 2024 | Sep. 27, 2025
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Total cash restructuring costs | $ 9,602 | $ 1,963 | $ 17,406 | $ 11,882 | $ 14,888 |  | $ 45,780
Asset impairments | 29,552 | 0 | 30,140 | 2,500 |  |  | 35,560
Total restructuring costs | 39,154 | 1,963 | 47,546 | 14,382 |  | $ 33,800 | 81,340
Contract termination costs |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Total cash restructuring costs | 5,878 | 300 | 7,173 | 4,483 |  |  | 21,610
Severance and employee-related benefits |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Total cash restructuring costs | 2,923 | 1,663 | 9,415 | 2,905 |  |  | 17,608
Professional fees and other |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Total cash restructuring costs | $ 801 | $ 0 | $ 818 | $ 4,494 |  |  | $ 6,562

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