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Business Segments (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 27, 2025 | Sep. 28, 2024 | Sep. 27, 2025 | Sep. 28, 2024
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |
Net sales | $ 1,563,966 | $ 1,421,891 | $ 4,426,078 | $ 4,297,482
Cost of sales and operating expenses (excludes depreciation and amortization, shown separately below) | 1,176,957 | 1,108,319 | 3,381,801 | 3,353,406
Gross margin | 387,009 | 313,572 | 1,044,277 | 944,076
Loss/(gain) on sale of assets | (375) | 251 | 639 | (101)
Selling, general and administrative expenses | 139,594 | 115,717 | 399,219 | 384,591
Acquisition and integration costs | 6,156 | 218 | 11,073 | 5,402
Change in fair value of contingent consideration | 0 | 16,156 | 18,024 | (42,215)
Depreciation and amortization | 124,064 | 123,553 | 368,961 | 375,667
Equity in net income/(loss) of Diamond Green Diesel | (45,844) | 2,430 | (70,367) | 125,046
Operating income | 71,726 | 60,107 | 175,994 | 345,778
Equity in net income of other unconsolidated subsidiaries | 3,277 | 3,782 | 8,431 | 9,109
Segment income/(loss) | 75,003 | 63,889 | 184,425 | 354,887
Total other expense (b) | (55,196) | (62,245) | (171,256) | (185,609)
Income before income taxes | 19,807 | 1,644 | 13,169 | 169,278
Investment Income, Interest | 1,300 | 3,600 | 11,900 | 12,100
Casualty Gain (Loss) | (200) | 3,800 | (1,700) | 11,600
Net Periodic Defined Benefits Expense (Reversal of Expense), Excluding Service Cost Component | (200) | (400) | (6,900) | (1,300)
Gain on sale of a portion of a small international subsidiary | 1,700 |  | 1,700 |
Other Nonoperating Income (Expense), Miscellaneous | (1,900) | (2,300) | (7,500) | (9,600)
Corporate |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |
Net sales | 0 | 0 | 0 | 0
Cost of sales and operating expenses (excludes depreciation and amortization, shown separately below) | 0 | 0 | 0 | 0
Gross margin | 0 | 0 | 0 | 0
Loss/(gain) on sale of assets | 0 | 0 | 0 | 0
Selling, general and administrative expenses | 22,329 | 12,164 | 49,892 | 52,143
Acquisition and integration costs | 6,156 | 218 | 11,073 | 5,402
Change in fair value of contingent consideration |  | 0 | 0 | 0
Depreciation and amortization | 1,506 | 2,033 | 4,549 | 6,504
Equity in net income/(loss) of Diamond Green Diesel | 0 | 0 | 0 | 0
Operating income | (29,991) | (14,415) | (65,514) | (64,049)
Equity in net income of other unconsolidated subsidiaries | 0 | 0 | 0 | 0
Segment income/(loss) | (29,991) | (14,415) | (65,514) | (64,049)
Feed Ingredients |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |
Net sales | 1,029,115 | 927,457 | 2,861,930 | 2,751,452
Feed Ingredients | Operating Segments |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |
Net sales | 1,029,115 | 927,457 | 2,861,930 | 2,751,452
Cost of sales and operating expenses (excludes depreciation and amortization, shown separately below) | 779,306 | 727,642 | 2,215,402 | 2,171,282
Gross margin | 249,809 | 199,815 | 646,528 | 580,170
Loss/(gain) on sale of assets | (125) | 204 | 1,075 | 541
Selling, general and administrative expenses | 75,938 | 67,445 | 224,973 | 218,598
Acquisition and integration costs | 0 | 0 | 0 | 0
Change in fair value of contingent consideration |  | 16,156 | 18,024 | (42,215)
Depreciation and amortization | 83,590 | 85,480 | 251,139 | 259,493
Equity in net income/(loss) of Diamond Green Diesel | 0 | 0 | 0 | 0
Operating income | 90,406 | 30,530 | 151,317 | 143,753
Equity in net income of other unconsolidated subsidiaries | 3,277 | 3,782 | 8,431 | 9,109
Segment income/(loss) | 93,683 | 34,312 | 159,748 | 152,862
Food Ingredients |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |
Net sales | 380,574 | 357,292 | 1,115,956 | 1,127,415
Food Ingredients | Operating Segments |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |
Net sales | 380,574 | 357,292 | 1,115,956 | 1,127,415
Cost of sales and operating expenses (excludes depreciation and amortization, shown separately below) | 275,751 | 271,861 | 804,765 | 846,766
Gross margin | 104,823 | 85,431 | 311,191 | 280,649
Loss/(gain) on sale of assets | (65) | 49 | (34) | (208)
Selling, general and administrative expenses | 33,250 | 28,351 | 98,709 | 88,939
Acquisition and integration costs | 0 | 0 | 0 | 0
Change in fair value of contingent consideration |  | 0 | 0 | 0
Depreciation and amortization | 29,839 | 26,743 | 86,792 | 82,983
Equity in net income/(loss) of Diamond Green Diesel | 0 | 0 | 0 | 0
Operating income | 41,799 | 30,288 | 125,724 | 108,935
Equity in net income of other unconsolidated subsidiaries | 0 | 0 | 0 | 0
Segment income/(loss) | 41,799 | 30,288 | 125,724 | 108,935
Fuel Ingredients |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |
Net sales | 154,277 | 137,142 | 448,192 | 418,615
Fuel Ingredients | Operating Segments |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |
Net sales | 154,277 | 137,142 | 448,192 | 418,615
Cost of sales and operating expenses (excludes depreciation and amortization, shown separately below) | 121,900 | 108,816 | 361,634 | 335,358
Gross margin | 32,377 | 28,326 | 86,558 | 83,257
Loss/(gain) on sale of assets | (185) | (2) | (402) | (434)
Selling, general and administrative expenses | 8,077 | 7,757 | 25,645 | 24,911
Acquisition and integration costs | 0 | 0 | 0 | 0
Change in fair value of contingent consideration |  | 0 | 0 | 0
Depreciation and amortization | 9,129 | 9,297 | 26,481 | 26,687
Equity in net income/(loss) of Diamond Green Diesel | (45,844) | 2,430 | (70,367) | 125,046
Operating income | (30,488) | 13,704 | (35,533) | 157,139
Equity in net income of other unconsolidated subsidiaries | 0 | 0 | 0 | 0
Segment income/(loss) | $ (30,488) | $ 13,704 | $ (35,533) | $ 157,139

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