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Accounts Payable and Accrued Liabilities (Detail) - USD ($) $ in Thousands | Dec. 28, 2018 | Dec. 29, 2017
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Accounts Payable And Accrued Liabilities [Line Items] |  |
Accounts payable | $ 2,551 | $ 2,784
Accrued liabilities | 9,732 | 11,957
Total accounts payable and other accrued liabilities | $ 12,283 | $ 14,741

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