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Retirement Plans (Tables)
3 Months Ended
Apr. 30, 2021
Retirement Benefits [Abstract]  
Schedule of Defined Benefit Plans Disclosures
The net periodic pension cost for the Pension Plan and the VIP Plan for the three months ended April 30, 2021 and 2020 were as follows:
Combined Employee Retirement Plans
Three Months Ended
4/30/20214/30/2020
(in thousands)
Service cost
$$
Interest cost281301
Expected return on plan assets(218)(224)
Plan settlement
Amortization of prior service cost
Recognized net actuarial loss443465
Benefit cost
$506$542