Investment in Unconsolidated Subsidiary (Assets, Liabilities and members' equity) (Details) - USD ($) $ in Thousands	Jun. 29, 2024	Mar. 30, 2024	Dec. 31, 2023	Dec. 30, 2023	Jul. 01, 2023	Apr. 01, 2023	Dec. 31, 2022
ASSETS
Assets, Current	$ 1,507,517			$ 1,855,666
Property, Plant and Equipment, Net	2,840,682			2,935,185
Other assets	218,810			234,960
Segment Assets	10,620,649			11,061,084
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current portion of long-term debt	92,258			60,703
Other non-current liabilities	240,416			349,809
Members equity	4,542,613	$ 4,682,990		4,693,691	$ 4,450,563	$ 4,121,599	$ 3,896,490
Liabilities and equity	10,620,649			$ 11,061,084
Diamond Green Diesel Holdings LLC Joint Venture
ASSETS
Assets, Current	1,849,534		$ 1,877,430
Property, Plant and Equipment, Net	3,888,370		3,838,800
Other assets	122,629		89,697
Segment Assets	5,860,533		5,805,927
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current portion of long-term debt	29,251		278,639
Other current liabilities	404,090		417,918
Long term debt	722,346		737,097
Other non-current liabilities	17,189		16,996
Members equity	4,687,657		4,355,277
Liabilities and equity	$ 5,860,533		$ 5,805,927