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Post-Retirement Health Care | 3 Months Ended
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Mar. 30, 2019
Retirement Benefits [Abstract] |
Post-Retirement Health Care | Post-Retirement Health Care The following table sets forth the components of net periodic benefit costs included in the Condensed Consolidated Statements of Comprehensive Income (in thousands):
| Three Months Ended
| March 30, 2019 |  | March 31, 2018
Service cost | $ | 170 |  |  | $ | 213 |
Interest cost | 199 |  |  | 197 |
Amortization of net (gain) loss | — |  |  | 37 |
Net periodic post-retirement benefit cost | $ | 369 |  |  | $ | 447 |

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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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