Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Jan. 01, 2022
Net sales	$ 6,788,080	$ 6,532,204	$ 4,741,369
Costs and expenses:
Cost of sales and operating expenses	5,143,060	5,002,609	3,499,385
Gain on sale of assets	(7,421)	(4,494)	(958)
Selling, general and administrative expenses	542,534	436,608	391,538
Restructuring Costs and Asset Impairment Charges	18,553	29,666	778
Depreciation and amortization	502,015	394,721	316,387
Acquisition and integration costs	13,884	16,372	1,396
Change in fair value of contingent consideration	(7,891)	0	0
Total costs and expenses	6,204,734	5,875,482	4,208,526
Equity In net income of Diamond Green Diesel	366,380	372,346	351,627
Operating income	949,726	1,029,068	884,470
Other expense:
Interest expense	(259,223)	(125,566)	(62,077)
Foreign currency gain/(loss)	8,133	(11,277)	(2,199)
Other income/(expense), net	16,310	(3,609)	(4,551)
Total other expense	(234,780)	(140,452)	(68,827)
Equity in net income of other unconsolidated subsidiaries	5,011	5,102	5,753
Income before income taxes	719,957	893,718	821,396
Income tax expense	59,568	146,626	164,106
Net income	660,389	747,092	657,290
Net income attributable to noncontrolling interests	(12,663)	(9,402)	(6,376)
Net income attributable to Darling	$ 647,726	$ 737,690	$ 650,914
Net income per share:
Basic (in dollars per share)	$ 4.05	$ 4.58	$ 4.01
Diluted (in dollars per share)	$ 3.99	$ 4.49	$ 3.90