NET INCOME PER SHARE Schedule of Earnings per share, basic and diluted (table details) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Aug. 04, 2018	Jul. 29, 2017	Aug. 04, 2018	Jul. 29, 2017
Earnings Per Share [Abstract]
Net income	$ 273.9	$ 233.8	$ 434.4	$ 434.3
Weighted Average Number of Shares Outstanding (shares)	237.9	236.7	237.7	236.5
Basic net income per share (usd per share)	$ 1.15	$ 0.99	$ 1.83	$ 1.84
Incremental Common Shares Attributable to Share-based Payment Arrangements	0.7	0.7	0.8	0.9
Weighted average number of shares and dilutive potential shares outstanding (shares)	238.6	237.4	238.5	237.4
Diluted net income per share (usd per share)	$ 1.15	$ 0.98	$ 1.82	$ 1.83