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Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
May 05, 2018
Feb. 03, 2018
Statement Of Financial Position [Abstract]    
Preferred stock, par value $ 0.0001 $ 0.0001
Preferred stock, shares authorized 10,000,000 10,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value $ 0.0001 $ 0.0001
Common stock, shares authorized 180,000,000 180,000,000
Common stock, shares issued 41,835,129 41,737,470
Common stock, shares outstanding 21,612,197 21,517,338
Treasury stock, shares 20,222,932 20,220,132