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Allowance for Credit Losses - Advances to Growers Along with the Related Allowance for Doubtful Accounts (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 26, 2020
Dec. 27, 2019
Accounting Standards Update 2016-13 [Member]    
Past-Due    
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease) $ 1.0  
Advances to Growers    
Current Status    
Gross advances to growers and suppliers 33.4 $ 33.8
Past-Due    
Gross advances to growers and suppliers 4.6 $ 8.3
Advances to Growers | Accounting Standards Update 2016-13 [Member]    
Past-Due    
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease) $ 0.2