STOCKHOLDERS' EQUITY Stock Repurchase Program (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 29, 2017	Jan. 31, 2016	Feb. 01, 2015	Mar. 21, 2017	Jun. 03, 2015
Equity, Class of Treasury Stock [Line Items]
Stock Repurchase Program, Period in Force	5 years
Stock Repurchase Program, Authorized Amount				$ 750.0	$ 500.0
Stock Repurchase Program, Number of Shares Repurchased	3,313,810	1,454,368	90,780
Stock Repurchase Program, Amount Purchased During Period	$ 322.1	$ 138.4	$ 11.1
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 58.7
Stock Repurchase Program [Member]
Equity, Class of Treasury Stock [Line Items]
Stock Repurchase Program, Number of Shares Repurchased	3,200,000	1,300,000
Stock Repurchase Program, Amount Purchased During Period	$ 315.1	$ 126.2