| Summary of significant accounting policies - Loyalty Program (Details) | 12 Months Ended | 
|---|---|
| Feb. 03, 2024 | |
| Summary of significant accounting policies | |
| Minimum term that loyalty program points are valid | 1 year | 
| X | ||||||||||
| 
- Definition The expiration term of points earned through loyalty programs. No definition available. 
 | 
| X | ||||||||||
| 
- References No definition available. 
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