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Stock-Based Compensation - Summary of Allocation of Stock-Based Compensation Expense in Condensed Consolidated Statements of Operations (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 30, 2017
Dec. 31, 2016
Jan. 02, 2016
Employee Service Share Based Compensation Aggregate Disclosures [Abstract]      
Restricted stock $ 9,611 $ 7,936 $ 7,240
Tax benefits (3,440) (2,976) (2,758)
Stock-based compensation expense, net of tax $ 6,171 $ 4,960 $ 4,482