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Fresh Start Accounting - Schedule Of Changes To Retained Earnings Reflect The Net Cumulative Impact (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Jun. 25, 2025 | Jun. 24, 2025 | Dec. 28, 2024 | Dec. 30, 2023
--- | --- | --- | --- | --- | ---
Reorganization, Chapter 11 [Line Items] |  |  |  |  |
Other intangible assets | $ 507,629 |  | $ 529,000 | $ 115,762 |
Long-term operating lease liabilities | 2,198 |  | 2,588 | 44,322 |
Goodwill | 200,073 | $ 199,053 | 199,053 | 239,583 | $ 243,441
Property and equipment | 8,892 |  | 9,742 | 15,798 |
Portion of operating lease liabilities due within one year | 1,256 |  | 9,094 | 8,168 |
Long-term debt, net | (465,492) |  | (465,518) | (1,430,643) |
Operating lease assets | $ 3,229 |  | 3,491 | $ 42,047 |
Reorganization Chapter 11 Fresh Start Adjustment Changes to Retained Earnings [Member] |  |  |  |  |
Reorganization, Chapter 11 [Line Items] |  |  |  |  |
Other intangible assets |  |  | 446,855 |  |
Long-term operating lease liabilities |  |  | 38,730 |  |
Goodwill |  |  | (43,369) |  |
Accumulated other comprehensive loss |  |  | (17,206) |  |
Property and equipment |  |  | 6,176 |  |
Other current and noncurrent assets |  |  | (5,013) |  |
Portion of operating lease liabilities within one year |  |  | (2,040) |  |
Long-term debt |  |  | (1,816) |  |
Operating lease assets |  |  | (1,626) |  |
Total fresh start adjustments impacting reorganization items, net |  |  | 420,691 |  |
Income tax effects on deferred income taxes |  |  | (32,815) |  |
Income tax effects on accumulated other comprehensive income |  |  | 2,079 |  |
Income tax effects on prepaid income taxes |  |  | 2,417 |  |
Changes in retained earnings |  |  | $ 392,372 |  |

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