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Summary of Revenue Recognition in Sales Returns and Allowances (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 28, 2020
Dec. 30, 2019
Dec. 31, 2018
Accounting Policies [Abstract]      
Balance at beginning of year $ 12,717 $ 15,296 $ 8,171
Addition charged as a reduction of sales 7,658 15,632 22,750
Deductions (7,389) (18,228) (15,602)
Effect of foreign currency exchange rates 29 17 (23)
Balance at end of year $ 13,015 $ 12,717 $ 15,296