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Loss on Inferior Ingredients - Additional Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Oct. 06, 2018
Dec. 31, 2019
Dec. 29, 2018
Loss On Inferior Ingredients [Line Items]      
Cash recovered from suppliers on disruption $ 4,200   $ 4,156
Scenario Forecast      
Loss On Inferior Ingredients [Line Items]      
Cash recovered from suppliers on disruption   $ 1,300