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Pension and Other Postretirement Benefits (Tables) | 9 Months Ended
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Sep. 30, 2014
Compensation and Retirement Disclosure [Abstract] |
Components of Net Periodic Benefit Cost | The components of net periodic benefit cost were as follows:
|  | Third quarter ended September 30, |  |  | Nine months ended September 30, |
Pension benefits |  | 2014 |  |  | 2013 |  |  | 2014 |  |  | 2013 |
Service cost |  | $ | 42 |  |  | $ | 49 |  |  | $ | 125 |  |  | $ | 148 |
Interest cost |  |  | 157 |  |  |  | 150 |  |  |  | 476 |  |  |  | 453 |
Expected return on plan assets |  |  | (198 | ) |  |  | (196 | ) |  |  | (586 | ) |  |  | (592 | )
Recognized net actuarial loss |  |  | 97 |  |  |  | 122 |  |  |  | 292 |  |  |  | 369 |
Amortization of prior service cost |  |  | 5 |  |  |  | 4 |  |  |  | 14 |  |  |  | 14 |
Settlement* |  |  | 18 |  |  |  | — |  |  |  | 18 |  |  |  | 2 |
Curtailment* |  |  | — |  |  |  | 6 |  |  |  | — |  |  |  | 6 |
Special termination benefits* |  |  | — |  |  |  | 72 |  |  |  | — |  |  |  | 72 |
Net periodic benefit cost |  | $ | 121 |  |  | $ | 207 |  |  | $ | 339 |  |  | $ | 472 |
* | These amounts were recorded in Restructuring and other charges on the accompanying Statement of Consolidated Operations (see Note D).
|  | Third quarter ended September 30, |  |  | Nine months ended September 30, |
Other postretirement benefits |  | 2014 |  |  | 2013 |  |  | 2014 |  |  | 2013 |
Service cost |  | $ | 4 |  |  | $ | 4 |  |  | $ | 12 |  |  | $ | 13 |
Interest cost |  |  | 28 |  |  |  | 28 |  |  |  | 86 |  |  |  | 85 |
Recognized net actuarial loss |  |  | 4 |  |  |  | 9 |  |  |  | 10 |  |  |  | 26 |
Amortization of prior service benefit |  |  | (6 | ) |  |  | (4 | ) |  |  | (15 | ) |  |  | (13 | )
Net periodic benefit cost |  | $ | 30 |  |  | $ | 37 |  |  | $ | 93 |  |  | $ | 111 |

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