Summary of Prepaid Expenses and Other Current Assets (Detail) - USD ($) $ in Thousands	Dec. 30, 2017	Dec. 31, 2016
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Line Items]
Prepaid advertising, promotional and selling	$ 3,328	$ 119
Prepaid malt and barley	1,819	1,644
Excise and other tax receivables	1,651	1,637
Supplier rebates	1,464	1,158
Prepaid insurance	1,055	1,144
Insurance cash surrender value		1,254
Other	1,378	1,775
Prepaid Expense And Other Current Assets	$ 10,695	$ 8,731