Condensed Consolidated Statements Of Shareholders' Equity (Unaudited) - USD ($) $ in Millions	Total	Common shares at par value	Additional paid-in capital	Other reserves	Treasury shares	Retained earnings	Accumulated other comprehensive loss
Beginning Balance at Jan. 30, 2021	$ 1,190.3	$ 12.6	$ 258.8	$ 0.4	$ (980.2)	$ 2,189.2	$ (290.5)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	138.4					138.4
Other comprehensive income (loss)	6.9						6.9
Dividends declared: Preferred shares	(8.6)					(8.6)
Net settlement of equity-based awards	(14.4)		(14.6)		15.0	(14.8)
Share-based compensation expense	8.0		8.0
Ending Balance at May. 01, 2021	1,320.6	12.6	252.2	0.4	(965.2)	2,304.2	(283.6)
Beginning Balance at Jan. 30, 2021	1,190.3	12.6	258.8	0.4	(980.2)	2,189.2	(290.5)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	363.0
Other comprehensive income (loss)	7.9
Ending Balance at Jul. 31, 2021	1,555.5	12.6	266.8	0.4	(951.0)	2,509.3	(282.6)
Beginning Balance at May. 01, 2021	1,320.6	12.6	252.2	0.4	(965.2)	2,304.2	(283.6)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	224.6					224.6
Other comprehensive income (loss)	1.0						1.0
Dividends declared: Common shares	(9.5)					(9.5)
Dividends declared: Preferred shares	(8.6)					(8.6)
Net settlement of equity-based awards	9.9		(2.9)		14.2	(1.4)
Share-based compensation expense	17.5		17.5
Ending Balance at Jul. 31, 2021	1,555.5	12.6	266.8	0.4	(951.0)	2,509.3	(282.6)
Beginning Balance at Jan. 29, 2022	1,564.0	12.6	231.2	0.4	(1,206.7)	2,877.4	(350.9)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(83.5)					(83.5)
Other comprehensive income (loss)	91.2						91.2
Dividends declared: Common shares	(9.3)					(9.3)
Dividends declared: Preferred shares	(8.6)					(8.6)
Repurchase of common shares	(268.2)		50.0		(318.2)
Net settlement of equity-based awards	(39.3)		(54.9)		50.7	(35.1)
Share-based compensation expense	10.5		10.5
Ending Balance at Apr. 30, 2022	1,256.8	12.6	236.8	0.4	(1,474.2)	2,740.9	(259.7)
Beginning Balance at Jan. 29, 2022	1,564.0	12.6	231.2	0.4	(1,206.7)	2,877.4	(350.9)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	61.9
Other comprehensive income (loss)	86.3
Ending Balance at Jul. 30, 2022	1,367.9	12.6	245.6	0.4	(1,494.4)	2,868.3	(264.6)
Beginning Balance at Apr. 30, 2022	1,256.8	12.6	236.8	0.4	(1,474.2)	2,740.9	(259.7)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	145.4					145.4
Other comprehensive income (loss)	(4.9)						(4.9)
Dividends declared: Common shares	(9.2)					(9.2)
Dividends declared: Preferred shares	(8.6)					(8.6)
Repurchase of common shares	(22.8)		0.0		(22.8)
Net settlement of equity-based awards	(1.2)		(3.6)		2.6	(0.2)
Share-based compensation expense	12.4		12.4
Ending Balance at Jul. 30, 2022	$ 1,367.9	$ 12.6	$ 245.6	$ 0.4	$ (1,494.4)	$ 2,868.3	$ (264.6)