Investment in Unconsolidated Subsidiary (Revenues and Expenses) (Details) - USD ($) $ in Thousands	3 Months Ended								9 Months Ended
	Oct. 01, 2022	Sep. 30, 2022	Jul. 02, 2022	Apr. 02, 2022	Oct. 02, 2021	Sep. 30, 2021	Jul. 03, 2021	Apr. 03, 2021	Oct. 01, 2022	Sep. 30, 2022	Oct. 02, 2021	Sep. 30, 2021
Revenues:
Operating revenues	$ 1,747,599				$ 1,185,916				$ 4,764,121		$ 3,431,301
Expenses:
Cost of sales and operating expenses	1,371,237				859,604				3,623,321		2,510,461
Total costs and expenses	1,582,682				1,034,204				4,233,177		3,039,833
Operating income	268,331				205,663				779,842		673,432
Net income	$ 192,301		$ 204,829	$ 190,731	$ 148,206		$ 198,069	$ 153,418	$ 587,861		$ 499,693
Diamond Green Diesel Holdings LLC Joint Venture [Member]
Revenues:
Operating revenues		$ 1,470,036				$ 401,900				$ 3,906,614		$ 1,405,392
Expenses:
Cost of sales and operating expenses		1,229,371				281,848				3,311,608		804,939
Depreciation, amortization and accretion expense		31,793				10,991				89,602		34,673
Total costs and expenses		1,261,164				292,839				3,401,210		839,612
Operating income		208,872				109,061				505,404		565,780
Other income		1,215				113				1,926		524
Interest and debt expense, net		(3,259)				(1,272)				(9,534)		(2,376)
Net income		$ 206,828				$ 107,902				$ 497,796		$ 563,928