v3.7.0.1
Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Jul. 29, 2017
Jan. 28, 2017
Jul. 30, 2016
Statement of Financial Position [Abstract]      
Class A common stock, par value $ 0.001 $ 0.001 $ 0.001
Class A common stock, shares authorized 300,000,000 300,000,000 300,000,000
Class A common stock, shares issued 101,300,000 101,000,000 104,000,000
Class A common stock, shares outstanding 101,300,000 101,000,000 104,000,000