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Investment in Unconsolidated Subsidiary (Details) - USD ($) $ in Thousands |  |  | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Nov. 04, 2025 | Sep. 29, 2025 | Sep. 27, 2025 | Sep. 28, 2024 | Sep. 27, 2025 | Sep. 28, 2024 | Dec. 28, 2024 | Jan. 21, 2011
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Investment in the joint venture |  |  | $ 2,324,936 |  | $ 2,324,936 |  | $ 2,263,709 |
Income (loss) from equity method investments |  |  | 3,277 | $ 3,782 | 8,431 | $ 9,109 |  |
Distributions of earnings from Diamond Green Diesel and other unconsolidated subsidiaries |  |  |  |  | 132,802 | 115,558 |  |
Capital contribution |  |  |  |  | 240,775 | 90,000 |  |
Corporate Buyer |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Production tax credit, sale amount |  |  | 125,000 |  |  |  |  |
Diamond Green Diesel Holdings LLC Joint Venture |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Ownership percentage |  |  |  |  |  |  |  | 50.00%
Investment in the joint venture |  |  | 2,241,500 |  | 2,241,500 |  |  |
Income (loss) from equity method investments |  |  | (45,800) | 2,400 | (70,400) | 125,000 |  |
Income tax credits and adjustments |  |  | $ 201,000 | $ 313,000 | 392,100 | 952,200 |  |
Distributions of earnings from Diamond Green Diesel and other unconsolidated subsidiaries |  |  |  |  | 129,500 | 111,200 |  |
Capital contribution |  |  |  |  | $ 240,800 | $ 90,000 |  |
Diamond Green Diesel Holdings LLC Joint Venture | Subsequent Event |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Distributions of earnings from Diamond Green Diesel and other unconsolidated subsidiaries | $ 88,100 |  |  |  |  |  |  |
Capital contribution |  | $ 4,600 |  |  |  |  |  |
Diamond Green Diesel Holdings LLC Joint Venture | Valero Energy Corporation |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Ownership percentage |  |  |  |  |  |  |  | 50.00%

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