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Income taxes (Tables)
6 Months Ended
Jul. 29, 2023
Income Tax Disclosure [Abstract]  
Schedule of Reconciliation of Effective Tax Rate
26 weeks ended
July 29, 2023July 30, 2022
Estimated annual effective tax rate before discrete items18.0 %20.1 %
Discrete items recognized
(4.6)%(66.4)%
Effective tax rate recognized in statements of operations
13.4 %(46.3)%