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Share-based compensation - Schedule of Significant Assumptions used to Estimate Fair Value of Awards under Omnibus Plan (Details) - Restricted Stock, Restricted Stock Units and Common Shares - Omnibus Plan - $ / shares	12 Months Ended
	Feb. 03, 2024	Jan. 28, 2023	Jan. 29, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share price (usd per share)	$ 62.71	$ 77.39	$ 60.65
Expected term	2 years 10 months 24 days	2 years 10 months 24 days	2 years 10 months 24 days
Dividend yield	0.90%	3.00%	4.30%
Fair value (usd per share)	$ 61.06	$ 71.19	$ 53.58

X

- Definition

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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