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
	May 04, 2019	May 05, 2018
Earnings Per Share [Abstract]
Net income	$ 267.9	$ 160.5
Weighted Average Number of Shares Outstanding (shares)	238.0	237.5
Basic net income per share (usd per share)	$ 1.13	$ 0.68
Incremental Common Shares Attributable to Share-based Payment Arrangements	1.1	1.0
Weighted average number of shares and dilutive potential shares outstanding (shares)	239.1	238.5
Diluted net income per share (usd per share)	$ 1.12	$ 0.67