Pension - Projected benefit obligation and fair value of plan assets (Details) - USD ($) $ in Thousands	May 03, 2021	Apr. 30, 2022
Pension
Defined Benefit Plan, Funding Status [Extensible List]	us-gaap:UnfundedPlanMember
Pension Plan
Pension
Projected benefit obligation		$ (3,120)
Fair value of plan assets		3,138
Funded status of the plan		$ 18

Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

Indicates status of funding for defined benefit plan designed to provide retirement benefits.

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+ Details