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Stock Compensation Plans - Common Stock Shares Issued to Non-Employee Directors as Compensation (Detail) - Non Employee Directors - USD ($)
12 Months Ended
Feb. 03, 2018
Jan. 28, 2017
Jan. 30, 2016
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Number of shares of common stock issued 42,450 14,509 24,947
Fair value of common stock issued $ 96,856 $ 68,456 $ 127,734