XML 56 R42.htm IDEA: XBRL DOCUMENT v3.21.2
Earnings Per Share - Schedule of Reconciliation of Weighted Average Basic Shares to Weighted Average Diluted Shares Outstanding (Detail) - shares
3 Months Ended 6 Months Ended
Jul. 31, 2021
Aug. 01, 2020
Jul. 31, 2021
Aug. 01, 2020
Earnings Per Share [Abstract]        
Weighted-average shares—basic 11,898,360 11,784,007 11,855,535 11,739,061
Weighted-average shares—diluted 11,898,360 11,784,007 11,855,535 11,739,061