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Business Segments (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 02, 2021 | Sep. 26, 2020 | Jun. 27, 2020 | Mar. 28, 2020 | Dec. 28, 2019 | Sep. 28, 2019 | Jun. 29, 2019 | Mar. 30, 2019 | Jan. 02, 2021 | Dec. 28, 2019 | Dec. 29, 2018
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  | $ 1,019,839 | $ 850,569 | $ 848,673 | $ 852,842 | $ 859,428 | $ 842,049 | $ 827,324 | $ 835,104 | $ 3,571,923 | $ 3,363,905 | $ 3,387,726
Cost of sales and operating expenses |  |  |  |  |  |  |  |  |  | 2,688,815 | 2,589,085 | 2,646,374
Loss/(gain) on sale of assets |  |  |  |  |  |  |  |  |  | (426) | 20,582 | (709)
Selling, general and administrative expense |  |  |  |  |  |  |  |  |  | 378,496 | 358,523 | 309,264
Restructuring Costs and Asset Impairment Charges |  | 38,200 |  |  |  |  |  |  |  | 38,167 | 0 | 14,965
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 350,178 | 325,510 | 321,192
Equity In net income of Diamond Green Diesel |  |  |  |  |  |  |  |  |  | 315,095 | 364,452 | 159,779
Segment operating income/(loss) |  | 74,364 | 127,455 | 106,288 | 122,829 | 293,287 | 59,859 | 74,124 | 48,551 | 430,936 | 475,821 | 255,001
Equity in net income of other unconsolidated subsidiaries |  |  |  |  |  |  |  |  |  | 3,193 | 428 | (550)
Total other expense |  |  |  |  |  |  |  |  |  | (80,510) | (95,815) | (136,476)
Income before income taxes |  | 56,370 | $ 106,417 | $ 86,441 | $ 104,391 | 279,013 | $ 37,687 | $ 38,820 | $ 24,914 | 353,619 | 380,434 | 117,975
Total assets |  | 5,613,331 |  |  |  | 5,345,258 |  |  |  | 5,613,331 | 5,345,258 |
Capital expenditures: | [1] |  |  |  |  |  |  |  |  | 280,115 | 359,498 | 321,896
Capital assets |  | 18,400 |  |  |  |  |  |  |  | 18,400 |  | 31,600
Long-Lived Assets |  | 4,626,337 |  |  |  | 4,427,970 |  |  |  | 4,626,337 | 4,427,970 |
North America |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 1,960,503 | 1,889,573 | 1,817,001
Long-Lived Assets |  | 3,056,047 |  |  |  | 2,991,537 |  |  |  | 3,056,047 | 2,991,537 |
Europe |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 1,296,668 | 1,153,787 | 1,225,461
Long-Lived Assets |  | 1,357,070 |  |  |  | 1,228,807 |  |  |  | 1,357,070 | 1,228,807 |
China |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 202,093 | 194,625 | 210,657
Long-Lived Assets |  | 127,549 |  |  |  | 124,874 |  |  |  | 127,549 | 124,874 |
South America |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 38,238 | 51,168 | 53,206
Long-Lived Assets |  | 74,720 |  |  |  | 73,477 |  |  |  | 74,720 | 73,477 |
Other |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Long-Lived Assets |  | 10,951 |  |  |  | 9,275 |  |  |  | 10,951 | 9,275 |
Feed Ingredients [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 2,072,104 | 1,970,561 | 1,952,555
Cost of sales and operating expenses |  |  |  |  |  |  |  |  |  | 1,544,524 | 1,519,596 | 1,497,973
Gross Margin |  |  |  |  |  |  |  |  |  | 527,580 | 450,965 | 454,582
Loss/(gain) on sale of assets |  |  |  |  |  |  |  |  |  | 19 | (7,720) | 725
Selling, general and administrative expense |  |  |  |  |  |  |  |  |  | 209,748 | 200,487 | 176,722
Restructuring Costs and Asset Impairment Charges |  |  |  |  |  |  |  |  |  | 0 |  | 0
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 221,187 | 203,456 | 194,292
Equity In net income of Diamond Green Diesel |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Segment operating income/(loss) |  |  |  |  |  |  |  |  |  | 96,626 | 54,742 | 82,843
Equity in net income of other unconsolidated subsidiaries |  |  |  |  |  |  |  |  |  | 3,193 | 428 | (550)
Segment income/(loss) |  |  |  |  |  |  |  |  |  | 99,819 | 55,170 | 82,293
Total assets |  | 2,708,922 |  |  |  | 2,653,363 |  |  |  | 2,708,922 | 2,653,363 |
Capital expenditures: |  |  |  |  |  |  |  |  |  | 176,530 | 229,415 | 237,215
Feed Ingredients [Member] | North America |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 1,694,705 | 1,635,382 | 1,586,930
Feed Ingredients [Member] | Europe |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 352,748 | 309,097 | 329,341
Feed Ingredients [Member] | China |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 13,676 | 16,342 | 28,288
Feed Ingredients [Member] | South America |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Food Ingredients [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 1,185,701 | 1,119,085 | 1,139,126
Cost of sales and operating expenses |  |  |  |  |  |  |  |  |  | 920,682 | 864,618 | 918,141
Gross Margin |  |  |  |  |  |  |  |  |  | 265,019 | 254,467 | 220,985
Loss/(gain) on sale of assets |  |  |  |  |  |  |  |  |  | 482 | (13,175) | (282)
Selling, general and administrative expense |  |  |  |  |  |  |  |  |  | 97,406 | 97,363 | 91,546
Restructuring Costs and Asset Impairment Charges |  |  |  |  |  |  |  |  |  | 0 |  | 14,965
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 83,752 | 79,671 | 80,988
Equity In net income of Diamond Green Diesel |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Segment operating income/(loss) |  |  |  |  |  |  |  |  |  | 83,379 | 90,608 | 33,768
Equity in net income of other unconsolidated subsidiaries |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Segment income/(loss) |  |  |  |  |  |  |  |  |  | 83,379 | 90,608 | 33,768
Total assets |  | 1,335,769 |  |  |  | 1,345,526 |  |  |  | 1,335,769 | 1,345,526 |
Capital expenditures: |  |  |  |  |  |  |  |  |  | 68,250 | 85,501 | 51,659
Food Ingredients [Member] | North America |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 244,929 | 214,623 | 181,213
Food Ingredients [Member] | Europe |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 650,671 | 609,999 | 648,933
Food Ingredients [Member] | China |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 188,417 | 178,283 | 182,369
Food Ingredients [Member] | South America |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 38,238 | 51,168 | 53,206
Fuel Ingredients [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 314,118 | 274,259 | 296,045
Cost of sales and operating expenses |  |  |  |  |  |  |  |  |  | 223,609 | 204,871 | 230,260
Gross Margin |  |  |  |  |  |  |  |  |  | 90,509 | 69,388 | 65,785
Loss/(gain) on sale of assets |  |  |  |  |  |  |  |  |  | (75) | 313 | 266
Selling, general and administrative expense |  |  |  |  |  |  |  |  |  | 16,014 | 2,762 | (4,770)
Restructuring Costs and Asset Impairment Charges |  |  |  |  |  |  |  |  |  | 38,167 |  | 0
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 34,218 | 31,946 | 34,981
Equity In net income of Diamond Green Diesel |  |  |  |  |  |  |  |  |  | 315,095 | 364,452 | 159,779
Segment operating income/(loss) |  |  |  |  |  |  |  |  |  | 317,280 | 398,819 | 195,087
Equity in net income of other unconsolidated subsidiaries |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Segment income/(loss) |  |  |  |  |  |  |  |  |  | 317,280 | 398,819 | 195,087
Total assets |  | 1,160,132 |  |  |  | 1,087,701 |  |  |  | 1,160,132 | 1,087,701 |
Capital expenditures: |  |  |  |  |  |  |  |  |  | 30,638 | 23,964 | 27,121
Fuel Ingredients [Member] | North America |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 20,869 | 39,568 | 48,858
Fuel Ingredients [Member] | Europe |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 293,249 | 234,691 | 247,187
Fuel Ingredients [Member] | China |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Fuel Ingredients [Member] | South America |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Corporate Segment [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Cost of sales and operating expenses |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Gross Margin |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Loss/(gain) on sale of assets |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Selling, general and administrative expense |  |  |  |  |  |  |  |  |  | 55,328 | 57,911 | 45,766
Restructuring Costs and Asset Impairment Charges |  |  |  |  |  |  |  |  |  | 0 |  | 0
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 11,021 | 10,437 | 10,931
Equity In net income of Diamond Green Diesel |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Segment operating income/(loss) |  |  |  |  |  |  |  |  |  | (66,349) | (68,348) | (56,697)
Equity in net income of other unconsolidated subsidiaries |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Segment income/(loss) |  |  |  |  |  |  |  |  |  | (66,349) | (68,348) | (56,697)
Total assets |  | 408,508 |  |  |  | 258,668 |  |  |  | 408,508 | 258,668 |
Capital expenditures: |  |  |  |  |  |  |  |  |  | 4,697 | 20,618 | 5,901
Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 3,571,923 | 3,363,905 | 3,387,726
Cost of sales and operating expenses |  |  |  |  |  |  |  |  |  | 2,688,815 | 2,589,085 | 2,646,374
Gross Margin |  |  |  |  |  |  |  |  |  | 883,108 | 774,820 | 741,352
Loss/(gain) on sale of assets |  |  |  |  |  |  |  |  |  | 426 | (20,582) | 709
Selling, general and administrative expense |  |  |  |  |  |  |  |  |  | 378,496 | 358,523 | 309,264
Restructuring Costs and Asset Impairment Charges |  |  |  |  |  |  |  |  |  | 38,167 |  | 14,965
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 350,178 | 325,510 | 321,192
Equity In net income of Diamond Green Diesel |  |  |  |  |  |  |  |  |  | 315,095 | 364,452 | 159,779
Segment operating income/(loss) |  |  |  |  |  |  |  |  |  | 430,936 | 475,821 | 255,001
Equity in net income of other unconsolidated subsidiaries |  |  |  |  |  |  |  |  |  | 3,193 | 428 | (550)
Segment income/(loss) |  |  |  |  |  |  |  |  |  | 434,129 | 476,249 | $ 254,451
Total assets |  | $ 5,613,331 |  |  |  | $ 5,345,258 |  |  |  | $ 5,613,331 | $ 5,345,258 |
[1] | Excludes capital assets acquired by acquisition in fiscal 2020 and fiscal 2018 of approximately $18.4 million and $31.6 million, respectively.

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