Share-based compensation - Schedule of Significant Assumptions used to Estimate Fair Value of Awards under Omnibus Plan (Details) - Restricted Stock, Restricted Stock Units, Performance Share Units [Member] - Omnibus Plan - $ / shares	12 Months Ended
	Feb. 01, 2025	Feb. 03, 2024	Jan. 28, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share price (usd per share)	$ 97.49	$ 62.71	$ 77.39
Expected term	2 years 8 months 12 days	2 years 10 months 24 days	2 years 10 months 24 days
Dividend yield	1.20%	0.90%	3.00%
Fair value (usd per share)	$ 94.83	$ 61.06	$ 71.19