Condensed Consolidated Income Statements (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	May 05, 2018	Apr. 29, 2017
Income Statement [Abstract]
Sales	$ 1,480.6	$ 1,403.4
Cost of sales	(995.8)	(912.2)
Gross margin	484.8	491.2
Selling, general and administrative expenses	(482.8)	(452.8)
Credit transaction, net	(143.1)	0.0
Restructuring charges	(6.5)	0.0
Goodwill and intangible impairments	(448.7)	0.0
Other operating income, net	22.1	76.9
Operating (loss) income	(574.2)	115.3
Interest expense, net	(8.9)	(12.6)
Other non-operating income	0.6	0.0
(Loss) income before income taxes	(582.5)	102.7
Income taxes	85.9	(24.2)
Net (loss) income	(496.6)	78.5
Dividends on redeemable convertible preferred shares	(8.2)	(8.2)
Net (loss) income attributable to common shareholders	$ (504.8)	$ 70.3
(Loss) earnings per common share:
Earnings per common share: basic (usd per share)	$ (8.48)	$ 1.03
Earnings per common share: diluted (usd per share)	$ (8.48)	$ 1.03
Weighted average common shares outstanding:
Weighted average common shares outstanding: basic (shares)	59.5	68.1
Weighted average common shares outstanding: diluted (shares)	59.5	68.2
Dividends declared per common share (usd per share)	$ 0.37	$ 0.31000000