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Stock-Based Compensation - Restricted Stock Award Activity (Detail) - Restricted Stock And Restricted Stock Unit - Stock Incentive Plan - USD ($)
12 Months Ended
Jan. 28, 2023
Jan. 29, 2022
Jan. 30, 2021
Share Based Compensation Arrangement By Share Based Payment Award      
Awards, Outstanding - Beginning balance 19,750    
Awards, Granted 14,577    
Awards, Released (11,747)    
Awards, Cancelled (1,660)    
Awards, Outstanding - Ending balance 20,920 19,750  
Weighted-Average Grant Date Fair Value, Outstanding - Beginning balance $ 399.89    
Weighted-Average Grant Date Fair Value, Granted 318.86 $ 582.79 $ 371.36
Weighted-average Grant Date Fair Value, Released 229.36    
Weighted-Average Grant Date Fair Value, Cancelled 340.24    
Weighted-Average Grant Date Fair Value, Outstanding - Ending balance $ 443.92 $ 399.89  
Intrinsic Value, Outstanding $ 6,498,798