Consolidated Balance Sheets (Parenthetical) - $ / shares	Jan. 28, 2017	Jan. 30, 2016
Statement of Financial Position [Abstract]
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	120,000,000	120,000,000
Common stock, shares issued	54,904,954	54,590,641
Common stock, shares outstanding	54,904,954	54,590,641