Summary of significant accounting policies -Advertising (Details) - USD ($) $ in Thousands  | 
12 Months Ended | ||
|---|---|---|---|
Jan. 28, 2023  | 
Jan. 29, 2022  | 
Jan. 30, 2021  | 
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| Summary of significant accounting policies | |||
| Advertising expense, net | $ 374,730 | $ 387,794 | $ 281,573 | 
| Advertising expense, net as a percentage of net sales | 3.70% | 4.50% | 4.60% | 
| Prepaid advertising costs | $ 9,466 | $ 7,612 | |
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- Definition Advertisement Expense Percentage No definition available. 
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- References No definition available. 
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- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Amount of consideration paid in advance for advertising that provides economic benefits within a future period of one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/exampleRef 
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