v3.26.1
Investment in Unconsolidated Subsidiary (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 04, 2026
Jun. 28, 2025
Jul. 04, 2026
Jun. 28, 2025
Jan. 03, 2026
Jan. 21, 2011
Schedule of Equity Method Investments [Line Items]            
Investment in the joint venture $ 2,586,008   $ 2,586,008   $ 2,206,827  
Income (loss) from equity method investments 1,905 $ 2,526 4,800 $ 5,154    
Distributions of earnings from Diamond Green Diesel and other unconsolidated subsidiaries     281,706 131,131    
Capital contribution     190,603 40,150    
Diamond Green Diesel Holdings LLC Joint Venture            
Schedule of Equity Method Investments [Line Items]            
Ownership percentage           50.00%
Investment in the joint venture 2,495,300   2,495,300      
Income (loss) from equity method investments 350,000 6,000 457,400 (24,500)    
Income tax credits and adjustments $ 176,800 $ 140,200 354,400 191,100    
Distributions of earnings from Diamond Green Diesel and other unconsolidated subsidiaries     279,700 129,500    
Capital contribution     $ 190,600 $ 40,200    
Diamond Green Diesel Holdings LLC Joint Venture | Valero Energy Corporation            
Schedule of Equity Method Investments [Line Items]            
Ownership percentage           50.00%