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Other Comprehensive Income (Reclassification out of AOCI) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 29, 2024 | Jul. 01, 2023 | Jun. 29, 2024 | Jul. 01, 2023
Reclassification out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Net sales | $ 1,455,292 | $ 1,757,621 | $ 2,875,591 | $ 3,548,793
Cost of sales and operating expenses | 1,128,421 | 1,359,702 | 2,245,087 | 2,726,675
Income taxes | (774) | (40,712) | (4,681) | (67,686)
Amortization of prior service cost | (6) | 0 | (12) | 0
Amortization of actuarial loss | 349 | 434 | 698 | 868
Net income attributable to Darling | 78,866 | 252,383 | 160,023 | 438,184
Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |  |
Reclassification out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Net income attributable to Darling | 7,719 | 5,944 | 24,664 | 8,320
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] |  |  |  |
Reclassification out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Total before tax | 10,704 | 9,268 | 34,213 | 13,448
Income taxes | (2,723) | (2,997) | (9,025) | (4,474)
Net income attributable to Darling | 7,981 | 6,271 | 25,188 | 8,974
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] | Soybean Meal |  |  |  |
Reclassification out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Net sales | 0 | 166 | 33 | 504
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] | Foreign Exchange Contract |  |  |  |
Reclassification out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Net sales | 1,399 | 7,459 | 7,395 | 12,273
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] | Corn Option |  |  |  |
Reclassification out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Cost of sales and operating expenses | 0 | 653 | 0 | 1,537
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] | Interest Rate Swap |  |  |  |
Reclassification out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Foreign currency gain | 9,305 | 990 | 26,785 | (866)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Foreign Currency Adjustment Attributable to Parent [Member] |  |  |  |
Reclassification out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Total before tax | (343) | (434) | (686) | (868)
Income taxes | 81 | 107 | 162 | 214
Amortization of prior service cost | 6 | 0 | 12 | 0
Amortization of actuarial loss | (349) | (434) | (698) | (868)
Net income attributable to Darling | $ (262) | $ (327) | $ (524) | $ (654)

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