CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (PARENTHETICAL) - $ / shares	12 Months Ended
	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Statement of Stockholders' Equity [Abstract]
Dividends declared per common share (in dollars per share)	$ 1.57	$ 1.43	$ 0.72