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Pension Plan (Tables) | 6 Months Ended
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Jun. 30, 2015
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract] |
Components Of Net Periodic Benefit Expense | The following table shows the components of net periodic benefit income:
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
(In thousands) |  | 2015 |  | 2014 |  | 2015 |  | 2014
Service cost |  | $ | 1,342 |  |  | $ | 1,083 |  |  | $ | 2,684 |  |  | $ | 2,166 |
Interest cost |  | 1,174 |  |  | 1,144 |  |  | 2,348 |  |  | 2,288 |
Expected return on plan assets |  | (2,855 | ) |  | (2,717 | ) |  | (5,710 | ) |  | (5,434 | )
Amortization of prior service cost |  | 4 |  |  | 5 |  |  | 8 |  |  | 10 |
Recognized net actuarial loss |  | 159 |  |  | — |  |  | 318 |  |  | — |
Net periodic benefit income |  | $ | (176 | ) |  | $ | (485 | ) |  | $ | (352 | ) |  | $ | (970 | )

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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=58740216&loc=d3e1928-114920 + Details
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