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Net Periodic Pension Cost | 9 Months Ended
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Sep. 29, 2018
Retirement Benefits [Abstract] |
Net Periodic Pension Cost | Net Periodic Pension Cost The following table shows the components of our net periodic pension cost (benefit):
| Three Months Ended |  | Nine Months Ended
(In thousands) | September 29, 2018 |  | September 30, 2017 |  | September 29, 2018 |  | September 30, 2017
Service cost | $ | 133 |  |  | $ | 133 |  |  | $ | 399 |  |  | $ | 499 |
Interest cost on projected benefit obligation | 963 |  |  | 1,153 |  |  | 2,889 |  |  | 3,509 |
Expected return on plan assets | (1,327 | ) |  | (1,684 | ) |  | (3,981 | ) |  | (4,852 | )
Amortization of unrecognized loss | 271 |  |  | 260 |  |  | 813 |  |  | 796 |
Net periodic pension cost (benefit) | $ | 40 |  |  | $ | (138 | ) |  | $ | 120 |  |  | $ | (48 | )

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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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