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Time-Based Restricted Stock Units Activity (Detail) - Time-Based Restricted Stock Units
$ / shares in Units, shares in Thousands, $ in Thousands
6 Months Ended
Jul. 17, 2021
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Shares, Balance at beginning of period | shares 388
Number of Shares, Vested | shares (137)
Shares, Granted | shares 256
Shares, Forfeitures | shares (12)
Number of shares, Balance at end of period | shares 495
Weighted Average Fair Value, Balance at beginning of period | $ / shares $ 20.64
Weighted Average Fair Value, Vested | $ / shares 19.98
Weighted Average Fair Value, Granted | $ / shares 22.63
Weighted Average Fair Value, Forfeitures | $ / shares 21.57
Weighted Average Fair Value, Balance at end of period | $ / shares $ 21.83
Weighted Average Remaining Contractual Term (Years) 2 years 7 days
Unrecognized Compensation Cost | $ $ 7,750