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Investment in Unconsolidated Subsidiary (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 03, 2021	Mar. 28, 2020	Jan. 02, 2021	Jan. 21, 2011
Schedule of Equity Method Investments [Line Items]
Investment in the joint venture	$ 915,085		$ 804,682
Income (loss) from equity method investments	612	$ 869
Distributions of earnings from other unconsolidated subsidiaries	57	0
Diamond Green Diesel Holdings LLC Joint Venture [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage				50.00%
Investment in the joint venture	879,700
Income (loss) from equity method investments	102,200	97,800
Income Tax Credits and Adjustments	$ 79,000	$ 80,000
Diamond Green Diesel Holdings LLC Joint Venture [Member] \| Valero Energy Corporation [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage				50.00%