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Goodwill, Customer Relationships, Finite-Lived and Indefinite-Lived Trademarks, and Other Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands | Feb. 21, 2025 | Oct. 04, 2025 | Dec. 28, 2024
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Goodwill And Intangible Assets Disclosure [Line Items] |  |  |
Additional indefinite lived intangible assets separately identified from goodwill |  | $ 482,500 | $ 127,100
Simple Mills |  |  |
Goodwill And Intangible Assets Disclosure [Line Items] |  |  |
Business acquisition consideration amount | $ 848,585 |  |
Finite lived intangible assets acquired | 533,200 |  |
Simple Mills | Customer Relationships |  |  |
Goodwill And Intangible Assets Disclosure [Line Items] |  |  |
Finite lived intangible assets acquired | $ 177,800 |  |

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