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Pension and Other Postretirement Obligations | 3 Months Ended
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Apr. 02, 2017
Compensation and Retirement Disclosure [Abstract] |
Pension and Other Postretirement Obligations | Pension and Other Postretirement Obligations The following table provides the components of net periodic benefit costs for our pension and other postretirement benefit plans:
|  | Pension Obligations |  | Other Postretirement Obligations
Three Months Ended |  | April 2, 2017 |  | April 3, 2016 |  | April 2, 2017 |  | April 3, 2016
|  | (In thousands)
Service cost |  | $ | 1,093 |  |  | $ | 1,409 |  |  | $ | 13 |  |  | $ | 13 |
Interest cost |  | 1,695 |  |  | 2,394 |  |  | 327 |  |  | 368 |
Expected return on plan assets |  | (2,361 | ) |  | (3,191 | ) |  | — |  |  | — |
Amortization of prior service credit |  | (11 | ) |  | (9 | ) |  | — |  |  | (11 | )
Actuarial losses |  | 587 |  |  | 698 |  |  | 23 |  |  | 82 |
Net periodic benefit cost |  | $ | 1,003 |  |  | $ | 1,301 |  |  | $ | 363 |  |  | $ | 452 |

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