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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
4 Months Ended
Apr. 21, 2018
Apr. 22, 2017
Employee Service Share Based Compensation Aggregate Disclosures [Abstract]    
Restricted stock $ 5,290 $ 6,352
Tax benefits (698) (3,434)
Stock-based compensation expense, net of tax $ 4,592 $ 2,918