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v3.23.3

Fair value measurements (Details) - Fair Value, Inputs, Level 2 - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 28, 2023 | Oct. 29, 2022 | Jan. 28, 2023
Fair value measurements |  |  |
Fair value of financial liabilities | $ 41,633 | $ 34,839 | $ 37,501
Defined Benefit Plan, Tax Status [Extensible Enumeration] | us-gaap:NonqualifiedPlanMember | us-gaap:NonqualifiedPlanMember | us-gaap:NonqualifiedPlanMember

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