Condensed Consolidated Income Statements - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Apr. 30, 2016	May. 02, 2015
Income Statement [Abstract]
Sales	$ 1,578.9	$ 1,530.6
Cost of sales	(978.5)	(964.7)
Gross margin	600.4	565.9
Selling, general and administrative expenses	(462.7)	(453.2)
Other operating income, net	74.3	63.5
Operating income	212.0	176.2
Interest expense, net	(11.8)	(11.0)
Income before income taxes	200.2	165.2
Income taxes	(53.4)	(46.4)
Net income (loss)	$ 146.8	$ 118.8
Earnings (loss) per share: basic (usd per share)	$ 1.87	$ 1.49
Earnings (loss) per share: diluted (usd per share)	$ 1.87	$ 1.48
Weighted average common shares outstanding: basic (shares)	78.6	80.0
Weighted average common shares outstanding: diluted (shares)	78.7	80.2
Dividends declared per share (usd per share)	$ 0.26	$ 0.22