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Pensions and Other Postretirement Benefits | 6 Months Ended
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Jun. 30, 2015
Compensation and Retirement Disclosure [Abstract] |
Pensions and Other Postretirement Benefits | Pensions and Other Postretirement Benefits Components of net periodic benefit cost consisted of the following:
|  | Pension Benefits |  | Other Benefits
(In thousands) |  | 2015 |  | 2014 |  | 2015 |  | 2014
Three Months Ended June 30, |  |  |  |  |  |  |  |
Service cost |  | $ | 2,904 |  |  | $ | 2,481 |  |  | $ | 111 |  |  | $ | 156 |
Interest cost |  | 4,593 |  |  | 4,891 |  |  | 216 |  |  | 299 |
Expected return on plan assets |  | (8,537 | ) |  | (8,251 | ) |  | — |  |  | — |
Amortization of prior service cost |  | 17 |  |  | 21 |  |  | (84 | ) |  | (84 | )
Recognized net actuarial losses |  | 4,083 |  |  | 2,203 |  |  | 7 |  |  | 83 |
Settlements |  | 33 |  |  | 57 |  |  | — |  |  | — |
Net periodic benefit cost |  | $ | 3,093 |  |  | $ | 1,402 |  |  | $ | 250 |  |  | $ | 454 |
Six Months Ended June 30, |  |  |  |  |  |  |  |
Service cost |  | $ | 5,808 |  |  | $ | 4,962 |  |  | $ | 222 |  |  | $ | 312 |
Interest cost |  | 9,186 |  |  | 9,782 |  |  | 432 |  |  | 598 |
Expected return on plan assets |  | (17,074 | ) |  | (16,502 | ) |  | — |  |  | — |
Amortization of prior service cost |  | 34 |  |  | 42 |  |  | (168 | ) |  | (168 | )
Recognized net actuarial losses |  | 8,012 |  |  | 4,406 |  |  | 14 |  |  | 166 |
Settlements |  | 66 |  |  | 114 |  |  | — |  |  | — |
Net periodic benefit cost |  | $ | 6,032 |  |  | $ | 2,804 |  |  | $ | 500 |  |  | $ | 908 |
We made contributions of $2.0 million to our pension plans during the six months ended June 30, 2015. We expect to make total contributions of approximately $4.1 million to our pension plans in 2015.

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