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Goodwill and Intangible Assets - Additional Information (Detail) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Sep. 27, 2025 | Sep. 28, 2024 | Sep. 27, 2025 | Sep. 28, 2024 | Dec. 28, 2024 | Sep. 29, 2024
Impairment of goodwill |  |  | $ 0 |  | $ 0 |
Intangible carrying value | $ 15,176,000 |  | 15,176,000 |  | 16,446,000 |
Impairment of intangible assets |  | $ 42,600,000 | 0 | $ 42,584,000 |  |
Intangible assets amortization | $ 400,000 |  | $ 1,200,000 |  |  |
Trademarks |  |  |  |  |  |
Estimated useful life | 10 years |  | 10 years |  |  |
Intangible carrying value | $ 12,960,000 |  | $ 12,960,000 |  | $ 14,040,000 |
Dogfish Head |  |  |  |  |  |
Estimated useful life |  |  |  |  |  | 10 years
Intangible carrying value |  | 55,600,000 |  | 55,600,000 |  |
Estimated fair value |  | 14,400,000 |  | 14,400,000 |  |
Coney Island |  |  |  |  |  |
Intangible carrying value |  | 1,000,000 |  | 1,000,000 |  |
Estimated fair value |  | 0 |  | 0 |  |
Angel City |  |  |  |  |  |
Intangible carrying value |  | 400,000 |  | 400,000 |  |
Estimated fair value |  | $ 0 |  | $ 0 |  |

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