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Revenue Disaggregation of revenues (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 28, 2024 | Dec. 30, 2023 | Dec. 31, 2022
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | $ 5,715,175 | $ 6,788,080 | $ 6,532,204
North America |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 3,249,871 | 4,165,712 | 4,222,058
Europe |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 1,627,060 | 1,691,449 | 1,769,973
China |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 266,468 | 308,572 | 284,684
South America |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 504,516 | 534,082 | 187,343
Other Geographical Areas [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 67,260 | 88,265 | 68,146
Fats [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 1,464,012 | 1,904,079 | 2,156,857
Used Cooking Oil [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 351,309 | 497,657 | 519,119
Proteins [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 1,484,581 | 1,672,027 | 1,476,553
Bakery [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 190,462 | 255,214 | 333,442
Other Rendering [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 293,648 | 243,525 | 200,945
Food Ingredients, Products and Services [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 1,232,521 | 1,476,875 | 1,121,995
Bioenergy [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 550,465 | 563,423 | 533,574
Other, Products And Services [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 148,177 | 175,280 | 189,719
Food Ingredients |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 1,489,101 | 1,752,065 | 1,459,630
Food Ingredients | North America |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 402,693 | 469,289 | 369,499
Food Ingredients | Europe |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 661,756 | 754,846 | 733,967
Food Ingredients | China |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 238,059 | 281,139 | 259,584
Food Ingredients | South America |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 134,757 | 171,425 | 40,661
Food Ingredients | Other Geographical Areas [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 51,836 | 75,366 | 55,919
Food Ingredients | Fats [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 160,184 | 164,730 | 205,674
Food Ingredients | Used Cooking Oil [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 0 | 0 | 0
Food Ingredients | Proteins [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 0 | 0 | 0
Food Ingredients | Bakery [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 0 | 0 | 0
Food Ingredients | Other Rendering [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 0 | 0 | 0
Food Ingredients | Food Ingredients, Products and Services [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 1,232,521 | 1,476,875 | 1,121,995
Food Ingredients | Bioenergy [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 0 | 0 | 0
Food Ingredients | Other, Products And Services [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 96,396 | 110,460 | 131,961
Fuel Ingredients |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 550,465 | 563,423 | 533,574
Fuel Ingredients | North America |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 0 | 0 | 0
Fuel Ingredients | Europe |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 550,465 | 563,423 | 533,574
Fuel Ingredients | China |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 0 | 0 | 0
Fuel Ingredients | South America |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 0 | 0 | 0
Fuel Ingredients | Other Geographical Areas [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 0 | 0 | 0
Fuel Ingredients | Fats [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 0 | 0 | 0
Fuel Ingredients | Used Cooking Oil [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 0 | 0 | 0
Fuel Ingredients | Proteins [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 0 | 0 | 0
Fuel Ingredients | Bakery [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 0 | 0 | 0
Fuel Ingredients | Other Rendering [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 0 | 0 | 0
Fuel Ingredients | Food Ingredients, Products and Services [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 0 | 0 | 0
Fuel Ingredients | Bioenergy [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 550,465 | 563,423 | 533,574
Fuel Ingredients | Other, Products And Services [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 0 | 0 | 0
Feed Ingredients |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 3,675,609 | 4,472,592 | 4,539,000
Feed Ingredients | North America |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 2,847,178 | 3,696,423 | 3,852,559
Feed Ingredients | Europe |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 414,839 | 373,180 | 502,432
Feed Ingredients | China |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 28,409 | 27,433 | 25,100
Feed Ingredients | South America |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 369,759 | 362,657 | 146,682
Feed Ingredients | Other Geographical Areas [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 15,424 | 12,899 | 12,227
Feed Ingredients | Fats [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 1,303,828 | 1,739,349 | 1,951,183
Feed Ingredients | Used Cooking Oil [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 351,309 | 497,657 | 519,119
Feed Ingredients | Proteins [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 1,484,581 | 1,672,027 | 1,476,553
Feed Ingredients | Bakery [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 190,462 | 255,214 | 333,442
Feed Ingredients | Other Rendering [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 293,648 | 243,525 | 200,945
Feed Ingredients | Food Ingredients, Products and Services [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 0 | 0 | 0
Feed Ingredients | Bioenergy [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | 0 | 0 | 0
Feed Ingredients | Other, Products And Services [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total net sales | $ 51,781 | $ 64,820 | $ 57,758

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