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Defined Benefit Plans (Tables) | 6 Months Ended
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Jul. 31, 2021
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract] |
Components of net periodic defined benefit pension cost related to the Company's defined benefit plans | The components of net periodic defined benefit pension cost related to the Company’s defined benefit plans are (in thousands):
| SERP |  | Foreign Pension Plans |  | Total
| Three Months Ended Jul 31, 2021
Service cost | $ | — |  |  | $ | 793 |  |  | $ | 793 |
Interest cost | 288 |  |  | 19 |  |  | 307 |
Expected return on plan assets | — |  |  | (52) |  |  | (52) |
Net amortization of unrecognized prior service credit | — |  |  | (17) |  |  | (17) |
Net amortization of actuarial losses | 20 |  |  | 86 |  |  | 106 |
Net periodic defined benefit pension cost | $ | 308 |  |  | $ | 829 |  |  | $ | 1,137 |
| Six Months Ended Jul 31, 2021
Service cost | $ | — |  |  | $ | 1,583 |  |  | $ | 1,583 |
Interest cost | 577 |  |  | 38 |  |  | 615 |
Expected return on plan assets | — |  |  | (104) |  |  | (104) |
Net amortization of unrecognized prior service credit | — |  |  | (34) |  |  | (34) |
Net amortization of actuarial losses | 40 |  |  | 171 |  |  | 211 |
Net periodic defined benefit pension cost | $ | 617 |  |  | $ | 1,654 |  |  | $ | 2,271 |
| SERP |  | Foreign Pension Plans |  | Total
| Three Months Ended Aug 1, 2020
Service cost | $ | — |  |  | $ | 766 |  |  | $ | 766 |
Interest cost | 320 |  |  | 7 |  |  | 327 |
Expected return on plan assets | — |  |  | (45) |  |  | (45) |
Net amortization of unrecognized prior service credit | — |  |  | (16) |  |  | (16) |
Net amortization of actuarial losses | 10 |  |  | 87 |  |  | 97 |
Net periodic defined benefit pension cost | $ | 330 |  |  | $ | 799 |  |  | $ | 1,129 |
| Six Months Ended Aug 1, 2020
Service cost | $ | — |  |  | $ | 1,530 |  |  | $ | 1,530 |
Interest cost | 639 |  |  | 15 |  |  | 654 |
Expected return on plan assets | — |  |  | (90) |  |  | (90) |
Net amortization of unrecognized prior service credit | — |  |  | (32) |  |  | (32) |
Net amortization of actuarial losses | 20 |  |  | 173 |  |  | 193 |
Net periodic defined benefit pension cost | $ | 659 |  |  | $ | 1,596 |  |  | $ | 2,255 |

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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