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Stock-Based Compensation - Additional Information (Detail) - Restricted Stock Awards [Member]
$ in Millions
9 Months Ended
Oct. 05, 2019
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unrecognized compensation cost $ 5.5
Unrecognized compensation cost, weighted average period of recognition 2 years 7 months 6 days