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Net Periodic Benefit Cost (Tables) | 9 Months Ended
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Sep. 30, 2015
Defined Benefit Plan Disclosure [Line Items] |
Net periodic benefit cost | Net periodic pension cost for the Company’s defined benefit pension plans and U.S. post-retirement medical plan includes the following components for the three months ended September 30:
| U.S. Pension Benefits |  | Non-U.S. Pension Benefits |  | Other U.S. Post-retirement Benefits |  | Total
| 2015 |  | 2014 |  | 2015 |  | 2014 |  | 2015 |  | 2014 |  | 2015 |  | 2014
Service cost, net | $ | 211 |  |  | $ | 223 |  |  | $ | 4,772 |  |  | $ | 3,856 |  |  | $ | — |  |  | $ | 43 |  |  | $ | 4,983 |  |  | $ | 4,122 |
Interest cost on projected benefit obligations | 1,607 |  |  | 1,599 |  |  | 3,554 |  |  | 5,380 |  |  | 35 |  |  | 60 |  |  | 5,196 |  |  | 7,039 |
Expected return on plan assets | (2,395 | ) |  | (2,137 | ) |  | (9,228 | ) |  | (9,372 | ) |  | — |  |  | — |  |  | (11,623 | ) |  | (11,509 | )
Recognition of prior service cost | — |  |  | — |  |  | (1,675 | ) |  | (1,009 | ) |  | (469 | ) |  | (195 | ) |  | (2,144 | ) |  | (1,204 | )
Recognition of actuarial losses/(gains) | 1,906 |  |  | 1,200 |  |  | 3,756 |  |  | 1,082 |  |  | (843 | ) |  | (359 | ) |  | 4,819 |  |  | 1,923 |
Net periodic pension cost/(credit) | $ | 1,329 |  |  | $ | 885 |  |  | $ | 1,179 |  |  | $ | (63 | ) |  | $ | (1,277 | ) |  | $ | (451 | ) |  | $ | 1,231 |  |  | $ | 371 |
Net periodic pension cost for the Company’s defined benefit pension plans and U.S. post-retirement medical plan includes the following components for the nine months ended September 30:
| U.S. Pension Benefits |  | Non-U.S. Pension Benefits |  | Other U.S. Post-retirement Benefits |  | Total
| 2015 |  | 2014 |  | 2015 |  | 2014 |  | 2015 |  | 2014 |  | 2015 |  | 2014
Service cost, net | $ | 628 |  |  | $ | 669 |  |  | $ | 14,228 |  |  | $ | 11,741 |  |  | $ | — |  |  | $ | 129 |  |  | $ | 14,856 |  |  | $ | 12,539 |
Interest cost on projected benefit obligations | 4,823 |  |  | 4,797 |  |  | 10,623 |  |  | 16,383 |  |  | 104 |  |  | 180 |  |  | 15,550 |  |  | 21,360 |
Expected return on plan assets | (7,183 | ) |  | (6,411 | ) |  | (27,867 | ) |  | (28,512 | ) |  | — |  |  | — |  |  | (35,050 | ) |  | (34,923 | )
Recognition of prior service cost | — |  |  | — |  |  | (3,632 | ) |  | (3,079 | ) |  | (1,408 | ) |  | (585 | ) |  | (5,040 | ) |  | (3,664 | )
Recognition of actuarial losses/(gains) | 5,720 |  |  | 3,600 |  |  | 11,393 |  |  | 3,272 |  |  | (2,528 | ) |  | (1,077 | ) |  | 14,585 |  |  | 5,795 |
Net periodic pension cost/(credit) | $ | 3,988 |  |  | $ | 2,655 |  |  | $ | 4,745 |  |  | $ | (195 | ) |  | $ | (3,832 | ) |  | $ | (1,353 | ) |  | $ | 4,901 |  |  | $ | 1,107 |

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- Definition Disclosures and provisions pertaining to defined benefit plans and other postretirement defined benefit plans. The arrangements are generally based on terms and conditions stipulated by the entity, and which contain a promise by the employer to pay certain amounts or awards at designated future dates, including a period after retirement, upon compliance with stipulated requirements. Excludes disclosures pertaining to defined contribution plans. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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