v3.25.1
Retirement Plans (Periodic Pension Cost) (Details) - Pension Plan - USD ($)
$ in Thousands
3 Months Ended
Apr. 30, 2025
Apr. 30, 2024
Components of Net Cost    
Service cost $ 0 $ 0
Interest cost 325 311
Expected return on plan assets (208) (169)
Plan settlement 0 0
Amortization of prior service cost 0 0
Recognized net actuarial gain (90) (35)
Benefit cost $ 27 $ 107