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Defined Benefit Post-retirement Plans (Tables) | 6 Months Ended
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Jun. 30, 2017
Defined Benefit Post-retirement Plans [Abstract] |
Components of Net Periodic Pension Benefits and Other Benefit Costs | The components of expense for Pension Benefits and Other Benefits are set forth below:
|  | Pension Benefits |  |  | Other Benefits |
(In thousands) |  | Three months ended June 30, |  |  | Three months ended June 30, |
Components of net periodic (benefit) cost: |  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Service cost |  | $ | 402 |  |  | $ | 560 |  |  | $ | 3 |  |  | $ | 4 |
Interest cost |  |  | 1,042 |  |  |  | 1,051 |  |  |  | 86 |  |  |  | 94 |
Expected return on plan assets |  |  | (1,985 | ) |  |  | (1,835 | ) |  |  | - |  |  |  | - |
Net amortization |  |  | 415 |  |  |  | 483 |  |  |  | 20 |  |  |  | 29 |
Total (benefit) cost |  | $ | (126 | ) |  | $ | 259 |  |  | $ | 109 |  |  | $ | 127 |
|  | Pension Benefits |  |  | Other Benefits |
|  | Six months ended June 30, |  |  | Six months ended June 30, |
Components of net periodic (benefit) cost: |  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Service cost |  | $ | 804 |  |  | $ | 1,120 |  |  | $ | 6 |  |  | $ | 8 |
Interest cost |  |  | 2,084 |  |  |  | 2,102 |  |  |  | 172 |  |  |  | 188 |
Expected return on plan assets |  |  | (3,970 | ) |  |  | (3,670 | ) |  |  | - |  |  |  | - |
Net amortization |  |  | 831 |  |  |  | 966 |  |  |  | 40 |  |  |  | 58 |
Total (benefit) cost |  | $ | (251 | ) |  | $ | 518 |  |  | $ | 218 |  |  | $ | 254 |

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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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