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Pensions and Other Postretirement Benefits | 3 Months Ended
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Mar. 28, 2020
Retirement Benefits [Abstract] |
Pension and Other Postretirement Benefits | Pension and Other Postretirement Benefits Employees of VPG participate in various defined benefit pension and other postretirement benefit ("OPEB") plans. The following table sets forth the components of the net periodic benefit cost for the Company's defined benefit pension and OPEB plans (in thousands):
| Fiscal quarter ended March 28, 2020 |  | Fiscal quarter ended March 30, 2019
| Pension Plans |  | OPEB Plans |  | Pension Plans |  | OPEB Plans
Net service cost | $ | 99 |  |  | $ | 31 |  |  | $ | 83 |  |  | $ | 31 |
Interest cost | 129 |  |  | 33 |  |  | 157 |  |  | 45 |
Expected return on plan assets | (111 | ) |  | — |  |  | (133 | ) |  | — |
Amortization of actuarial losses | 77 |  |  | 34 |  |  | 50 |  |  | 39 |
Net periodic benefit cost | $ | 194 |  |  | $ | 98 |  |  | $ | 157 |  |  | $ | 115 |

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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 + Details
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