Benefit Plans (Tables)
|6 Months Ended|
Jul. 31, 2021
|Pension And Other Postretirement Benefit Expense [Abstract]|
|Schedule of Costs of Retirement Plans||
The defined contribution plan expense and actuarially determined components of the net periodic benefit cost (income) associated with the defined benefit plans are as follows:
Tabular disclosure of the costs related to the various types of retirement plans including defined benefit pension plan cost, defined contribution plan cost, other postretirement benefit plan cost, and net periodic benefit cost.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef