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Income taxes - Schedule of Reconciliation of Statutory Tax Rate to Effective Tax Rate (Details)
9 Months Ended
Oct. 28, 2023
Oct. 29, 2022
Income Tax Disclosure [Abstract]    
Estimated annual effective tax rate before discrete items 19.10% 19.70%
Discrete items recognized (5.70%) (37.50%)
Effective tax rate recognized in statements of operations 13.40% (17.80%)