Consolidated Statements Of Shareholders' Equity - USD ($) $ in Millions	Total	Common shares at par value	Additional paid-in capital	Other reserves	Treasury shares	Retained earnings	Accumulated other comprehensive loss
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	769.9					769.9
Other comprehensive (loss) income	(60.4)						(60.4)
Dividends on common shares	(28.0)					(28.0)
Dividends on redeemable convertible preferred shares	(34.5)					(34.5)
Repurchase of common shares	(311.8)		(50.0)		(261.8)
Net settlement of equity based awards	(7.3)		(23.4)		35.3	(19.2)
Share-based compensation expense	45.8		45.8
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	376.7					376.7
Other comprehensive (loss) income	86.7						86.7
Dividends on common shares	(36.7)					(36.7)
Dividends on redeemable convertible preferred shares	(34.5)					(34.5)
Repurchase of common shares	(376.1)		50.0		(426.1)
Net settlement of equity based awards	(43.5)		(63.5)		58.1	(38.1)
Share-based compensation expense	42.0		42.0
Balance at Jan. 28, 2023	1,578.6	12.6	259.7	0.4	(1,574.7)	3,144.8	(264.2)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	810.4					810.4
Other comprehensive (loss) income	(1.1)						(1.1)
Dividends on common shares	(41.1)					(41.1)
Dividends on redeemable convertible preferred shares	(34.5)					(34.5)
Repurchase of common shares	(139.3)		0.0		(139.3)
Net settlement of equity based awards	(47.6)		(70.1)		67.1	(44.6)
Share-based compensation expense	41.1		41.1
Balance at Feb. 03, 2024	$ 2,166.5	$ 12.6	$ 230.7	$ 0.4	$ (1,646.9)	$ 3,835.0	$ (265.3)