Retirement Plans (Narrative) (Details) |
3 Months Ended |
|---|---|
Apr. 30, 2022 | |
| Pension And Other Postretirement Benefit Expense [Abstract] | |
| Number of hours required for participation in defined benefit and defined contribution plans | 1,000 hours or more |
| X | ||||||||||
- Definition Number of hours required for participation in defined benefit and defined contribution plans. No definition available.
|
| X | ||||||||||
- References No definition available.
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