CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Jan. 29, 2017	Jan. 31, 2016	Feb. 01, 2015
Statement of Stockholders' Equity [Abstract]
Amortization of prior service credit related to pension and postretirement plans, tax benefit	$ (0.2)	$ (0.2)	$ (0.3)
Foreign currency translation adjustments, tax benefit	(0.1)	(0.4)	(1.7)
Net unrealized and realized gain (loss) on effective hedges, tax expense (benefit)	1.2	(8.4)	5.6
Net gain on net investment hedge, tax expense	$ 8.6	$ 0.0	$ 0.0
Stock Repurchase Program, Number of Shares Repurchased	3,313,810	1,454,368	90,780