Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2025	Jun. 29, 2024	Jun. 28, 2025	Jun. 29, 2024
Net sales	$ 1,481,518	$ 1,455,292	$ 2,862,112	$ 2,875,591
Costs and expenses:
Cost of sales and operating expenses (excludes depreciation and amortization, shown separately below)	1,135,601	1,128,421	2,204,844	2,245,087
Loss/(gain) on sale of assets	952	222	1,014	(352)
Selling, general and administrative expenses	138,069	129,731	259,625	268,874
Acquisition and integration costs	3,383	1,130	4,917	5,184
Change in fair value of contingent consideration	12,583	(33,122)	18,024	(58,371)
Depreciation and amortization	121,062	124,605	244,897	252,114
Total costs and expenses	1,411,650	1,350,987	2,733,321	2,712,536
Equity in net income/(loss) of Diamond Green Diesel	6,000	44,197	(24,523)	122,616
Operating income	75,868	148,502	104,268	285,671
Other expense:
Interest expense	(51,873)	(69,225)	(109,840)	(132,101)
Loss on early retirement of debt	(2,978)	0	(2,978)	0
Foreign currency gain/(loss)	1,313	413	(49)	649
Other income/(expense), net	(6,526)	(568)	(3,193)	8,088
Total other expense	(60,064)	(69,380)	(116,060)	(123,364)
Equity in net income of other unconsolidated subsidiaries	2,526	3,017	5,154	5,327
Income/(loss) before income taxes	18,330	82,139	(6,638)	167,634
Income tax expense	4,065	774	2,911	4,681
Net income/(loss)	14,265	81,365	(9,549)	162,953
Net income attributable to noncontrolling interests	(1,604)	(2,499)	(3,950)	(2,930)
Net income/(loss) attributable to Darling	$ 12,661	$ 78,866	$ (13,499)	$ 160,023
Basic income per share (in dollars per share)	$ 0.08	$ 0.49	$ (0.09)	$ 1.00
Diluted income per share (in dollars per share)	$ 0.08	$ 0.49	$ (0.09)	$ 0.99
Nonrelated Party
Net sales	$ 1,189,988	$ 1,220,755	$ 2,352,630	$ 2,394,317
Related Party
Net sales	$ 291,530	$ 234,537	$ 509,482	$ 481,274