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Restructuring - Schedule of Restructuring-related Liabilities (Detail) - USD ($) $ in Thousands |  | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jun. 30, 2025 | Jun. 24, 2025 | Jun. 24, 2025 | Dec. 28, 2024 | Dec. 30, 2023
2024 Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  | $ 2,940 | $ 4,411 |  |
2024 Plan | Cash Restructuring-Related Liabilities Roll-Forward |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Beginning Balance | $ 6,476 |  | 7,312 |  |
Restructuring charges |  |  | 3,720 | $ 16,829 |
Payments |  |  | (5,247) | (9,731) |
Change in estimate |  |  | 691 | 214 |
Ending Balance | 6,476 | 6,476 | 6,476 | 7,312 |
2024 Plan | Lease Termination Costs | Cash Restructuring-Related Liabilities Roll-Forward |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Beginning Balance |  |  | 168 |  |
Restructuring charges |  |  |  | 168 |
Payments |  |  | (168) |  |
Ending Balance |  |  |  | 168 |
2024 Plan | Employee Termination Benefit Costs | Cash Restructuring-Related Liabilities Roll-Forward |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Beginning Balance | 6,476 |  | 7,144 |  |
Restructuring charges |  |  | 3,062 | 15,520 |
Payments |  |  | (4,421) | (8,590) |
Change in estimate |  |  | 691 | 214 |
Ending Balance | 6,476 | 6,476 | 6,476 | 7,144 |
2024 Plan | Other Cash Restructuring Charges | Cash Restructuring-Related Liabilities Roll-Forward |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  | 658 | 1,141 |
Payments |  |  | (658) | (1,141) |
2023 Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  | (4,034) | (4,533) |  |
2023 Plan | Cash Restructuring-Related Liabilities Roll-Forward |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Beginning Balance | 1,627 |  | 9,732 | 26,758 | $ 13,608
Restructuring charges |  |  |  | 5,491 | 47,106
Payments |  |  | (3,572) | (22,123) | (33,956)
Change in estimate |  |  | (4,533) | (394) |
Ending Balance | 1,627 | 1,627 | 1,627 | 9,732 | 26,758
2023 Plan | Other Cash Restructuring Charges | Cash Restructuring-Related Liabilities Roll-Forward |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Beginning Balance |  |  |  | 344 |
Restructuring charges |  |  |  | 581 | 1,577
Payments |  |  |  | (925) | (1,233)
Ending Balance |  |  |  |  | 344
2023 Plan | Real Estate Restructuring | Lease Termination Costs | Cash Restructuring-Related Liabilities Roll-Forward |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Beginning Balance |  |  |  | 156 |
Restructuring charges |  |  |  |  | 12,924
Payments |  |  |  | (21) | (12,768)
Change in estimate |  |  |  | (135) |
Ending Balance |  |  |  |  | 156
2023 Plan | Real Estate Restructuring | Employee Termination Benefit Costs | Cash Restructuring-Related Liabilities Roll-Forward |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Beginning Balance | 440 |  | 3,266 | 2,663 | 1,798
Restructuring charges |  |  |  | 2,363 | 5,678
Payments |  |  | (619) | (1,835) | (4,813)
Change in estimate |  |  | (2,207) | 75 |
Ending Balance | 440 | 440 | 440 | 3,266 | 2,663
2023 Plan | Organizational Restructuring | Employee Termination Benefit Costs | Cash Restructuring-Related Liabilities Roll-Forward |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Beginning Balance | 1,187 |  | 6,466 | 23,595 | 11,810
Restructuring charges |  |  |  | 2,547 | 26,927
Payments |  |  | (2,953) | (19,342) | (15,142)
Change in estimate |  |  | (2,326) | (334) |
Ending Balance | $ 1,187 | $ 1,187 | $ 1,187 | $ 6,466 | $ 23,595

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