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Pensions and Other Post-retirement Benefits (Tables) | 3 Months Ended
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Mar. 31, 2019
Retirement Benefits [Abstract] |
Components of Net Periodic Benefit Cost | Components of net periodic benefit cost consisted of the following:
|  | Pension Benefits |  | Other Benefits
(In thousands) |  | 2019 |  | 2018 |  | 2019 |  | 2018
Three Months Ended March 31, |  |  |  |  |  |  |  |
Service cost |  | $ | 2,423 |  |  | $ | 2,891 |  |  | $ | 89 |  |  | $ | 101 |
Interest cost |  | 4,705 |  |  | 4,219 |  |  | 249 |  |  | 221 |
Expected return on plan assets |  | (9,653 | ) |  | (9,096 | ) |  | — |  |  | — |
Amortization of prior service credit |  | (4 | ) |  | (6 | ) |  | (101 | ) |  | (77 | )
Recognized net actuarial losses |  | 2,577 |  |  | 3,453 |  |  | 217 |  |  | 25 |
Settlement/curtailment loss (credit) |  | — |  |  | 27 |  |  | — |  |  | (141 | )
Net periodic benefit cost(a) |  | 48 |  |  | 1,488 |  |  | 454 |  |  | 129 |
(a) Components of net periodic benefit cost other than service cost are included in the line item "Other income, net" in the unaudited Condensed Consolidated Statements of Income.

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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