Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	May 01, 2021	May 02, 2020
Income Statement [Abstract]
Sales	$ 1,688.8	$ 852.1
Cost of sales	(1,010.4)	(648.3)
Restructuring charges - cost of sales	0.0	0.4
Gross margin	678.4	204.2
Selling, general and administrative expenses	(512.0)	(358.4)
Restructuring charges	0.7	(12.7)
Asset impairments, net	(1.5)	(136.3)
Other operating income, net	3.1	3.6
Operating income (loss)	168.7	(299.6)
Interest expense, net	(3.9)	(7.1)
Other non-operating income, net	0.1	0.1
Income (loss) before income taxes	164.9	(306.6)
Income taxes	(26.5)	109.5
Net income (loss)	138.4	(197.1)
Dividends on redeemable convertible preferred shares	(8.6)	(8.2)
Net income (loss) attributable to common shareholders	$ 129.8	$ (205.3)
Earnings (loss) per common share:
Basic (usd per share)	$ 2.49	$ (3.96)
Diluted (usd per share)	$ 2.23	$ (3.96)
Weighted average common shares outstanding:
Basic (shares)	52.1	51.8
Diluted (shares)	62.0	51.8