v3.26.1
Pension - Projected benefit obligation and fair value of plan assets (Details)
$ in Thousands
12 Months Ended
Apr. 30, 2026
USD ($)
Aug. 01, 2026
employee
Pension    
Number of former employees | employee   3
Pension Plan    
Pension    
Defined Benefit Plan, Funding Status [Extensible List] us-gaap:UnfundedPlanMember  
Projected benefit obligation $ (3,249)  
Fair value of plan assets 3,862  
Funded status of the plan $ 613