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Summary of Prepaid Expenses and Other Current Assets (Detail) - USD ($) $ in Thousands | Dec. 26, 2020 | Dec. 28, 2019
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Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract] |  |
Prepaid brewing services fee - short term (see Note L) | $ 14,816 | $ 4,936
Prepaid advertising, promotional and selling | 4,876 | 1,649
Down payments to vendors | 4,693 | 24
Other | 5,845 | 5,468
Prepaid Expenses and Other Current Assets | $ 30,230 | $ 12,077

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