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Retirement Plans (Funded Status) (Details) - Combined Employee Retirement Plans [Member] - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jan. 31, 2020 | Jan. 31, 2019
Change in Benefit Obligation |  |
Benefit obligation at beg. of year | $ 36,299 | $ 40,181
Service cost | 0 | 0
Interest cost | 1,382 | 1,459
Participant contributions | 0 | 0
Amendments | 0 | 0
Actuarial losses (gains) | 8,280 | (2,044)
Plan settlement | 0 | (2,176)
Benefits paid | (2,669) | (1,121)
Benefit obligation at end of year | 43,292 | 36,299
Change in Plan Assets |  |
Fair value at beg. of year | 23,527 | 27,259
Actual return on plan assets | 1,806 | (1,557)
Company contributions | 990 | 1,122
Settlements | 0 | (2,176)
Benefits paid | (2,669) | (1,121)
Fair value at end of year | 23,654 | 23,527
Unfunded status of the plans | (19,638) | (12,772)
Amounts Recognized in Statement of Financial Position |  |
Current liabilities | (314) | (322)
Non-current liabilities | (19,324) | (12,450)
Accrued benefit cost | (19,638) | (12,772)
Amounts Recognized in Statement of Financial Position and Operations |  |
Accrued benefit liability | (19,638) | (12,772)
Accumulated other compensation loss | 15,427 | 8,319
Net amount recognized | (4,211) | (4,453)
Items not yet Recognized as a Component of Net Periodic Pension Expense, Included in AOCI |  |
Unrecognized net actuarial loss | 15,427 | 8,319
Unamortized prior service costs | 0 | 0
Net initial asset recognition | 0 | 0
Net periodic pension expense, included in AOCI | $ 15,427 | $ 8,319

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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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