Investment in Unconsolidated Subsidiary (Assets, Liabilities and members' equity) (Details) - USD ($) $ in Thousands	Jul. 01, 2023	Jun. 30, 2023	Apr. 01, 2023	Dec. 31, 2022	Jul. 02, 2022	Apr. 02, 2022	Jan. 01, 2022
ASSETS
Assets, Current	$ 1,875,957			$ 1,638,097
Property, Plant and Equipment, Net	2,774,526			2,462,082
Other assets	246,032			136,268
Segment Assets	10,973,239			9,202,370
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current portion of long-term debt	88,085			69,846
Other non-current liabilities	339,270			298,933
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	4,450,563		$ 4,121,599	3,896,490	$ 3,566,523	$ 3,495,650	$ 3,347,785
Liabilities and Equity	$ 10,973,239			9,202,370
Diamond Green Diesel Holdings LLC Joint Venture [Member]
ASSETS
Assets, Current		$ 1,623,715		1,304,805
Property, Plant and Equipment, Net		3,828,093		3,866,854
Other assets		88,305		61,665
Segment Assets		5,540,113		5,233,324
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current portion of long-term debt		102,935		217,066
Other Liabilities, Current		378,589		515,023
Long-term Debt, Excluding Current Maturities		760,700		774,783
Other non-current liabilities		16,568		17,249
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest		4,281,321		3,709,203
Liabilities and Equity		$ 5,540,113		$ 5,233,324