Summary of significant accounting policies - Property and Equipment and cloud computing arrangements (Details)	12 Months Ended
	Feb. 03, 2024
Equipment and fixtures | Minimum
Property and equipment
Estimated useful lives or the expected lease term	1 year
Equipment and fixtures | Maximum
Property and equipment
Estimated useful lives or the expected lease term	10 years
Electronic equipment and software | Minimum
Property and equipment
Estimated useful lives or the expected lease term	3 years
Electronic equipment and software | Maximum
Property and equipment
Estimated useful lives or the expected lease term	15 years
Cloud computing arrangements | Minimum
Cloud computing arrangements
Term of contract	1 month
Cloud computing arrangements | Maximum
Cloud computing arrangements
Term of contract	5 years