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Pensions and Other Post-retirement Benefits (Tables) | 6 Months Ended
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Jun. 30, 2017
Compensation and Retirement Disclosure [Abstract] |
Components of Net Periodic Benefit Cost | Components of net periodic benefit cost consisted of the following:
|  | Pension Benefits |  | Other Benefits
(In thousands) |  | 2017 |  | 2016 |  | 2017 |  | 2016
Three Months Ended June 30, |  |  |  |  |  |  |  |
Service cost |  | $ | 2,721 |  |  | $ | 2,634 |  |  | $ | 106 |  |  | $ | 106 |
Interest cost |  | 4,572 |  |  | 4,702 |  |  | 237 |  |  | 237 |
Expected return on plan assets |  | (8,738 | ) |  | (8,682 | ) |  | — |  |  | — |
Amortization of prior service cost |  | (4 | ) |  | 15 |  |  | (105 | ) |  | (105 | )
Recognized net actuarial losses |  | 3,184 |  |  | 3,009 |  |  | 17 |  |  | 17 |
Settlements |  | 34 |  |  | 20 |  |  | — |  |  | — |
Net periodic benefit cost |  | 1,769 |  |  | 1,698 |  |  | 255 |  |  | 255 |
Six Months Ended June 30, |  |  |  |  |  |  |  |
Service cost |  | $ | 5,442 |  |  | $ | 5,268 |  |  | $ | 212 |  |  | $ | 212 |
Interest cost |  | 9,144 |  |  | 9,404 |  |  | 474 |  |  | 474 |
Expected return on plan assets |  | (17,476 | ) |  | (17,364 | ) |  | — |  |  | — |
Amortization of prior service cost |  | (8 | ) |  | 30 |  |  | (210 | ) |  | (210 | )
Recognized net actuarial losses |  | 6,368 |  |  | 6,018 |  |  | 34 |  |  | 34 |
Settlements |  | 68 |  |  | 40 |  |  | — |  |  | — |
Net periodic benefit cost, excluding below |  | 3,538 |  |  | 3,396 |  |  | 510 |  |  | 510 |
Special termination charge |  | 11,384 |  | (a) | — |  |  | — |  |  | — |
Net periodic benefit cost |  | 14,922 |  |  | 3,396 |  |  | 510 |  |  | 510 |
(a) Represents the charge for special termination benefits related to the VRIP which were paid from our over funded North America pension plan and recorded as restructuring charges on the condensed consolidated statement of income. See further details in Note 4.

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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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