Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019
Net sales	$ 4,741,369	$ 3,571,923	$ 3,363,905
Costs and expenses:
Cost of sales and operating expenses	3,499,385	2,688,815	2,589,085
Loss/(gain) on sale of assets	(958)	426	(20,582)
Selling, general and administrative expense	391,538	378,496	358,523
Restructuring Costs and Asset Impairment Charges	778	38,167	0
Depreciation and amortization	316,387	350,178	325,510
Acquisition and integration costs	1,396	0	0
Total costs and expenses	4,208,526	3,456,082	3,252,536
Equity In net income of Diamond Green Diesel	351,627	315,095	364,452
Operating income	884,470	430,936	475,821
Other expense:
Interest expense	(62,077)	(72,686)	(78,674)
Debt extinguishment costs	0	0	(12,126)
Foreign currency losses	(2,199)	(2,290)	(1,311)
Gain (Loss) on Disposition of Business	0	0	2,967
Other expense, net	(4,551)	(5,534)	(6,671)
Total other expense	(68,827)	(80,510)	(95,815)
Equity in net income of other unconsolidated subsidiaries	5,753	3,193	428
Income before income taxes	821,396	353,619	380,434
Income tax expense	164,106	53,289	59,467
Net income	657,290	300,330	320,967
Net income attributable to noncontrolling interests	(6,376)	(3,511)	(8,367)
Net income attributable to Darling	$ 650,914	$ 296,819	$ 312,600
Net income per share:
Basic (in dollars per share)	$ 4.01	$ 1.83	$ 1.90
Diluted (in dollars per share)	$ 3.90	$ 1.78	$ 1.86