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Note 1 - Unaudited Condensed Consolidated Financial Statements (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Sep. 28, 2019
Sep. 29, 2018
Sep. 28, 2019
Sep. 29, 2018
Revenue from Contract with Customer, Including Assessed Tax $ 370,002,000 $ 320,660,000 $ 634,927,000 $ 564,753,000
B&G Foods, Inc [Member]        
Revenue from Contract with Customer, Including Assessed Tax     $ 68,139,000 $ 38,302,000