Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares	12 Months Ended
	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Statement of Stockholders' Equity [Abstract]
Dividends paid on common stock per share (in usd per share)	$ 0.32	$ 0.31	$ 0.3