Summary of significant accounting policies (Details)	12 Months Ended
Feb. 03, 2024	Jan. 28, 2023	Jan. 29, 2022
Fiscal year	371 days	364 days	364 days
Minimum
Fiscal year	364 days
Maximum
Fiscal year	371 days

Duration of a fiscal period, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but not limited to, weeks in a year or quarter.

No definition available.

Name:	us-gaap_FiscalPeriodDuration
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration