Shareholders' equity - Schedule of Dividends (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended
	Apr. 15, 2024	May 04, 2024	Apr. 29, 2023
Class of Stock [Line Items]
Common Stock, Dividends, Per Share, Declared		$ 0.29	$ 0.23
Dividends, Common Stock, Cash		$ 12.9	$ 10.4
Preferred Stock, Dividends Per Share, Declared		$ 13.14	$ 13.14
Dividends, Preferred Stock		$ 6.2	$ 8.2
Series A Redeemable Convertible Preferred Stock
Class of Stock [Line Items]
Dividends, Preferred Stock	$ 2.1
Other Current Liabilities [Member] | Common Stock
Class of Stock [Line Items]
Dividends payable		12.9	10.4
Other Current Liabilities [Member] | Series A Redeemable Convertible Preferred Stock
Class of Stock [Line Items]
Dividends payable		$ 4.1	$ 8.2