Investment in National Beef Packing Company, LLC (Details - Summary of operations) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 24, 2022	Sep. 30, 2023	Sep. 24, 2022
Equity Method Investments and Joint Ventures [Abstract]
Net sales	$ 3,374,888	$ 2,846,156	$ 8,896,989	$ 8,819,780
Costs and expenses:
Cost of sales	3,208,887	2,492,127	8,453,249	7,587,149
Selling, general, and administrative expenses	23,232	24,408	75,323	69,628
Depreciation and amortization	36,278	30,945	98,835	90,254
Total costs and expenses	3,268,397	2,547,480	8,627,407	7,747,031
Operating income	106,491	298,676	269,582	1,072,749
Other income (expense):
Interest income	4	23	47	90
Interest expense	(8,105)	(1,121)	(19,266)	(4,809)
Income before taxes	98,390	297,578	250,363	1,068,030
Income tax expense	504	(1,285)	(1,491)	(4,225)
Net income	$ 98,894	$ 296,293	$ 248,872	$ 1,063,805