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Sale of Soy and Corn Business (Narrative) (Details) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Feb. 22, 2019
Jan. 01, 2022
Jan. 02, 2021
Dec. 28, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Net proceeds used to repay outstanding indebtedness   $ 0 $ 0 $ 63,324
Pipeline Foods, LLC [Member]        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Revenues $ 10,300     $ 44,000
Earnings (loss) before income taxes $ (200)