Investment in National Beef Packing Company (Details - Investment rollforward) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 24, 2022	Jun. 25, 2022	Mar. 26, 2022	Sep. 25, 2021	Jun. 26, 2021	Mar. 27, 2021	Sep. 24, 2022	Sep. 25, 2021
Equity Method Investments and Joint Ventures [Abstract]
Beginning Investment Balance	$ 193,013	$ 223,141	$ 213,290	$ 188,692	$ 146,651	$ 131,494	$ 213,290	$ 131,494
Equity in net income	44,509	52,779	62,606	123,490	103,198	36,559	159,894	263,247
Distributions	(27,318)	(82,907)	(52,755)	(124,585)	(61,157)	(21,402)
Ending Investment Balance	$ 210,204	$ 193,013	$ 223,141	$ 187,597	$ 188,692	$ 146,651	$ 210,204	$ 187,597

Amount of income (loss) for proportionate share of equity method investee's income (loss).

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