Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Oct. 30, 2021	Oct. 31, 2020	Oct. 30, 2021	Oct. 31, 2020
Income Statement [Abstract]
Sales	$ 1,537.8	$ 1,300.3	$ 5,014.7	$ 3,040.4
Cost of sales	(962.2)	(863.8)	(3,043.1)	(2,176.0)
Restructuring charges - cost of sales	0.0	(2.0)	0.0	(1.4)
Gross margin	575.6	434.5	1,971.6	863.0
Selling, general and administrative expenses	(470.5)	(389.3)	(1,485.1)	(1,013.6)
Restructuring charges	1.7	(3.6)	3.3	(45.2)
Asset impairments, net	(0.7)	(1.5)	(2.0)	(158.1)
Other operating income, net	0.8	(0.4)	13.2	4.3
Operating income (loss)	106.9	39.7	501.0	(349.6)
Interest expense, net	(4.1)	(9.1)	(12.4)	(25.6)
Other non-operating expense, net	(1.1)	0.0	(0.9)	0.3
Income (loss) before income taxes	101.7	30.6	487.7	(374.9)
Income taxes	(9.1)	(21.3)	(32.1)	105.4
Net income (loss)	92.6	9.3	455.6	(269.5)
Dividends on redeemable convertible preferred shares	(8.7)	(8.4)	(25.9)	(24.9)
Net income (loss) attributable to common shareholders	$ 83.9	$ 0.9	$ 429.7	$ (294.4)
Earnings (loss) per common share:
Basic (usd per share)	$ 1.59	$ 0.02	$ 8.17	$ (5.67)
Diluted (usd per share)	$ 1.45	$ 0.02	$ 7.27	$ (5.67)
Weighted average common shares outstanding:
Basic (shares)	52.9	52.1	52.6	51.9
Diluted (shares)	63.7	53.4	62.7	51.9