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Revenue Disaggregation of revenues (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 30, 2023 | Dec. 31, 2022 | Jan. 01, 2022
Disaggregation of Revenue [Line Items] |  |  |
Net sales | $ 6,788,080 | $ 6,532,204 | $ 4,741,369
North America |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 4,165,712 | 4,222,058 | 2,867,934
Europe |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 1,691,449 | 1,769,973 | 1,521,031
China |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 308,572 | 284,684 | 253,212
South America |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 534,082 | 187,343 | 31,446
Other Geographical Areas [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 88,265 | 68,146 | 67,746
Fats [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 1,904,079 | 2,156,857 | 1,380,796
Used Cooking Oil [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 497,657 | 519,119 | 319,145
Proteins [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 1,672,027 | 1,476,553 | 1,022,694
Bakery [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 255,214 | 333,442 | 287,424
Other Rendering [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 243,525 | 200,945 | 173,405
Food Ingredients, Products and Services [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 1,476,875 | 1,121,995 | 961,617
Bioenergy [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 563,423 | 533,574 | 426,863
Biofuels [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales |  | 0 | 3,377
Other, Products And Services [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 175,280 | 189,719 | 166,048
Food Ingredients [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 1,752,065 | 1,459,630 | 1,271,629
Food Ingredients [Member] | North America |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 469,289 | 369,499 | 286,852
Food Ingredients [Member] | Europe |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 754,846 | 733,967 | 663,619
Food Ingredients [Member] | China |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 281,139 | 259,584 | 233,766
Food Ingredients [Member] | South America |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 171,425 | 40,661 | 31,446
Food Ingredients [Member] | Other Geographical Areas [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 75,366 | 55,919 | 55,946
Food Ingredients [Member] | Fats [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 164,730 | 205,674 | 182,674
Food Ingredients [Member] | Used Cooking Oil [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 | 0 | 0
Food Ingredients [Member] | Proteins [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 | 0 | 0
Food Ingredients [Member] | Bakery [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 | 0 | 0
Food Ingredients [Member] | Other Rendering [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 | 0 | 0
Food Ingredients [Member] | Food Ingredients, Products and Services [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 1,476,875 | 1,121,995 | 961,617
Food Ingredients [Member] | Bioenergy [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 | 0 | 0
Food Ingredients [Member] | Biofuels [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales |  | 0 | 0
Food Ingredients [Member] | Other, Products And Services [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 110,460 | 131,961 | 127,338
Fuel Ingredients [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 563,423 | 533,574 | 430,240
Fuel Ingredients [Member] | North America |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 | 0 | 3,377
Fuel Ingredients [Member] | Europe |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 563,423 | 533,574 | 426,863
Fuel Ingredients [Member] | China |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 | 0 | 0
Fuel Ingredients [Member] | South America |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 | 0 | 0
Fuel Ingredients [Member] | Other Geographical Areas [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 | 0 | 0
Fuel Ingredients [Member] | Fats [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 | 0 | 0
Fuel Ingredients [Member] | Used Cooking Oil [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 | 0 | 0
Fuel Ingredients [Member] | Proteins [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 | 0 | 0
Fuel Ingredients [Member] | Bakery [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 | 0 | 0
Fuel Ingredients [Member] | Other Rendering [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 | 0 | 0
Fuel Ingredients [Member] | Food Ingredients, Products and Services [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 | 0 | 0
Fuel Ingredients [Member] | Bioenergy [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 563,423 | 533,574 | 426,863
Fuel Ingredients [Member] | Biofuels [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales |  | 0 | 3,377
Fuel Ingredients [Member] | Other, Products And Services [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 | 0 | 0
Feed Ingredients [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 4,472,592 | 4,539,000 | 3,039,500
Feed Ingredients [Member] | North America |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 3,696,423 | 3,852,559 | 2,577,705
Feed Ingredients [Member] | Europe |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 373,180 | 502,432 | 430,549
Feed Ingredients [Member] | China |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 27,433 | 25,100 | 19,446
Feed Ingredients [Member] | South America |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 362,657 | 146,682 | 0
Feed Ingredients [Member] | Other Geographical Areas [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 12,899 | 12,227 | 11,800
Feed Ingredients [Member] | Fats [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 1,739,349 | 1,951,183 | 1,198,122
Feed Ingredients [Member] | Used Cooking Oil [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 497,657 | 519,119 | 319,145
Feed Ingredients [Member] | Proteins [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 1,672,027 | 1,476,553 | 1,022,694
Feed Ingredients [Member] | Bakery [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 255,214 | 333,442 | 287,424
Feed Ingredients [Member] | Other Rendering [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 243,525 | 200,945 | 173,405
Feed Ingredients [Member] | Food Ingredients, Products and Services [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 | 0 | 0
Feed Ingredients [Member] | Bioenergy [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 | 0 | 0
Feed Ingredients [Member] | Biofuels [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales |  | 0 | 0
Feed Ingredients [Member] | Other, Products And Services [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | $ 64,820 | $ 57,758 | $ 38,710

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