Condensed Consolidated Income Statements (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended				6 Months Ended
	Jul. 30, 2016	Apr. 30, 2016	Aug. 01, 2015	May 02, 2015	Jul. 30, 2016	Aug. 01, 2015
Income Statement [Abstract]
Sales	$ 1,373.4		$ 1,410.6		$ 2,952.3	$ 2,941.2
Cost of sales	(908.5)		(919.8)		(1,887.0)	(1,884.5)
Gross margin	464.9		490.8		1,065.3	1,056.7
Selling, general and administrative expenses	(415.7)		(452.8)		(878.4)	(906.0)
Other operating income, net	70.7		62.8		145.0	126.3
Operating income	119.9		100.8		331.9	277.0
Interest expense, net	(11.9)		(11.1)		(23.7)	(22.1)
Income before income taxes	108.0		89.7		308.2	254.9
Income taxes	(26.1)		(27.5)		(79.5)	(73.9)
Net income	$ 81.9		$ 62.2		$ 228.7	$ 181.0
Earnings per share:
Earnings per share: basic (usd per share)	$ 1.06		$ 0.78		$ 2.94	$ 2.27
Earnings per share: diluted (usd per share)	$ 1.06		$ 0.78		$ 2.94	$ 2.26
Weighted average common shares outstanding:
Weighted average common shares outstanding: basic (shares)	77.1		79.7		77.8	79.8
Weighted average common shares outstanding: diluted (shares)	77.2		79.9		77.9	80.0
Dividends declared per share (usd per share)	$ 0.26	$ 0.26	$ 0.22	$ 0.22	$ 0.52	$ 0.44