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Retirement Benefits (Tables) | 6 Months Ended
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Jun. 30, 2019
Postemployment Benefits [Abstract] |
Schedule of net periodic benefit expense (income) | The components of net periodic benefit expense related to the non-contributory, defined benefit pension plan for the three and six month periods ended June 30 were as follows:
|  | Three Months Ended June 30, |  | Six Months Ended June 30
In thousands |  | 2019 |  | 2018 |  | 2019 |  | 2018
Service cost |  | $ | 174 |  |  | $ | 215 |  |  | $ | 348 |  |  | $ | 430 |
Interest cost |  | 303 |  |  | 274 |  |  | 606 |  |  | 548 |
Expected return on plan assets |  | (637 | ) |  | (692 | ) |  | (1,274 | ) |  | (1,384 | )
Amortization of net loss |  | 213 |  |  | 129 |  |  | 425 |  |  | 257 |
Net Periodic Benefit Expense |  | $ | 53 |  |  | $ | (74 | ) |  | $ | 105 |  |  | $ | (149 | )

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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=118255775&loc=d3e1928-114920 + Details
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