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Pension and Other Postretirement Obligations | 6 Months Ended
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Jul. 02, 2017
Retirement Benefits [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 |  | July 2, 2017 |  | July 3, 2016 |  | July 2, 2017 |  | July 3, 2016
|  | (In thousands)
Service cost |  | $ | 1,251 |  |  | $ | 1,426 |  |  | $ | 13 |  |  | $ | 16 |
Interest cost |  | 1,874 |  |  | 2,424 |  |  | 329 |  |  | 480 |
Expected return on plan assets |  | (2,567 | ) |  | (3,216 | ) |  | — |  |  | — |
Amortization of prior service credit |  | (9 | ) |  | (9 | ) |  | — |  |  | (11 | )
Actuarial losses |  | 645 |  |  | 709 |  |  | 23 |  |  | 149 |
Net periodic benefit cost |  | $ | 1,194 |  |  | $ | 1,334 |  |  | $ | 365 |  |  | $ | 634 |
Six Months Ended |  |  |  |  |  |  |  |
Service cost |  | $ | 2,343 |  |  | $ | 2,835 |  |  | $ | 27 |  |  | $ | 29 |
Interest cost |  | 3,569 |  |  | 4,819 |  |  | 656 |  |  | 847 |
Expected return on plan assets |  | (4,928 | ) |  | (6,408 | ) |  | — |  |  | — |
Amortization of prior service credit |  | (20 | ) |  | (18 | ) |  | — |  |  | (22 | )
Actuarial losses |  | 1,233 |  |  | 1,407 |  |  | 45 |  |  | 231 |
Net periodic benefit cost |  | $ | 2,197 |  |  | $ | 2,635 |  |  | $ | 728 |  |  | $ | 1,085 |

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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 + Details
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