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Employee Postretirement Benefits
 3 Months Ended
Apr. 30, 2021
Retirement Benefits [Abstract]  
Employee Postretirement Benefits EMPLOYEE POSTRETIREMENT BENEFITS
The Company provides postretirement medical and other benefits to certain current and past senior executive officers and senior managers. These plan obligations are unfunded. The components of the net periodic benefit cost for postretirement benefits are as follows:
Three Months Ended
April 30,
2021		April 30,
2020
Service cost$9 $9 
Interest cost67 70 
Amortization of actuarial losses49 43 
Amortization of unrecognized gains in prior service cost(24)(40)
Net periodic benefit cost$101 $82 

Postretirement benefit cost components are reclassified in their entirety from accumulated other comprehensive loss to net periodic benefit cost. Service cost is reported in net income as "Selling, general, and administrative expenses" in a manner consistent with the classification of direct labor and personnel costs of the eligible employees. The components of the net periodic benefit cost, other than the service cost component, are classified as a non-operating expense in "Other income (expense), net" on the Consolidated Statements of Income and Comprehensive Income.