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Retirement Plans (Funded Status) (Details) - Combined Employee Retirement Plans [Member] - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jan. 31, 2021 | Jan. 31, 2020
Change in Benefit Obligation |  |
Benefit obligation at beginning of year | $ 43,292 | $ 36,299
Service cost | 0 | 0
Interest cost | 1,211 | 1,382
Participant contributions | 0 | 0
Amendments | 0 | 0
Actuarial losses (gains) | 1,588 | 8,280
Plan settlement | 0 | 0
Benefits paid | (1,913) | (2,669)
Benefit obligation at end of year | 44,178 | 43,292
Change in Plan Assets |  |
Fair value at beginning of year | 23,654 | 23,527
Actual return on plan assets | 1,591 | 1,806
Company contributions | 640 | 990
Settlements | 0 | 0
Benefits paid | (1,913) | (2,669)
Fair value at end of year | 23,972 | 23,654
Unfunded status of the plans | (20,206) | (19,638)
Amounts Recognized in Statement of Financial Position |  |
Current liabilities | (364) | (314)
Non-current liabilities | (19,842) | (19,324)
Accrued benefit cost | (20,206) | (19,638)
Amounts Recognized in Statement of Financial Position and Operations |  |
Accrued benefit liability | (20,206) | (19,638)
Accumulated other compensation loss | 14,444 | 15,427
Net amount recognized | (5,762) | (4,211)
Items not yet Recognized as a Component of Net Periodic Pension Expense, Included in AOCI |  |
Unrecognized net actuarial loss | 14,444 | 15,427
Unamortized prior service costs | 0 | 0
Net initial asset recognition | 0 | 0
Net periodic pension expense, included in AOCI | $ 14,444 | $ 15,427

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- Definition Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921 + Details
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