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Pensions and Other Benefit Programs (Tables) | 9 Months Ended
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Sep. 30, 2020
Retirement Benefits [Abstract] |
Schedule of Defined Benefit Plans Disclosures | The components of net periodic benefit (income) cost were as follows:
| Defined Benefit Pension Plans |  | Nonpension Postretirement Benefit Plans
| United States |  | Foreign |  |
| Three Months Ended |  | Three Months Ended |  | Three Months Ended
| September 30, |  | September 30, |  | September 30,
| 2020 |  | 2019 |  | 2020 |  | 2019 |  | 2020 |  | 2019
Service cost | $ | 16 |  |  | $ | 20 |  |  | $ | 422 |  |  | $ | 385 |  |  | $ | 229 |  |  | $ | 242 |
Interest cost | 12,719 |  |  | 15,792 |  |  | 3,548 |  |  | 4,435 |  |  | 1,255 |  |  | 1,646 |
Expected return on plan assets | (20,932) |  |  | (23,182) |  |  | (8,297) |  |  | (8,340) |  |  | — |  |  | — |
Amortization of transition credit | — |  |  | — |  |  | (1) |  |  | (2) |  |  | — |  |  | — |
Amortization of prior service (credit) cost | (15) |  |  | (15) |  |  | 62 |  |  | 58 |  |  | 93 |  |  | 80 |
Amortization of net actuarial loss | 7,972 |  |  | 6,537 |  |  | 2,092 |  |  | 1,543 |  |  | 926 |  |  | 507 |
Settlement | 75 |  |  | 1,477 |  |  | 833 |  |  | — |  |  | — |  |  | — |
Net periodic benefit (income) cost | $ | (165) |  |  | $ | 629 |  |  | $ | (1,341) |  |  | $ | (1,921) |  |  | $ | 2,503 |  |  | $ | 2,475 |
Contributions to benefit plans | $ | 2,061 |  |  | $ | 3,350 |  |  | $ | 445 |  |  | $ | 652 |  |  | $ | 2,422 |  |  | $ | 4,628 |
| Defined Benefit Pension Plans |  | Nonpension Postretirement Benefit Plans
| United States |  | Foreign |  |
| Nine Months Ended |  | Nine Months Ended |  | Nine Months Ended
| September 30, |  | September 30, |  | September 30,
| 2020 |  | 2019 |  | 2020 |  | 2019 |  | 2020 |  | 2019
Service cost | $ | 69 |  |  | $ | 62 |  |  | $ | 1,220 |  |  | $ | 1,157 |  |  | $ | 663 |  |  | $ | 725 |
Interest cost | 39,077 |  |  | 47,378 |  |  | 10,473 |  |  | 13,231 |  |  | 3,742 |  |  | 4,937 |
Expected return on plan assets | (63,539) |  |  | (69,545) |  |  | (24,474) |  |  | (25,609) |  |  | — |  |  | — |
Amortization of transition credit | — |  |  | — |  |  | (3) |  |  | (5) |  |  | — |  |  | — |
Amortization of prior service (credit) cost | (45) |  |  | (45) |  |  | 182 |  |  | 181 |  |  | 280 |  |  | 241 |
Amortization of net actuarial loss | 24,367 |  |  | 19,610 |  |  | 6,156 |  |  | 4,727 |  |  | 2,400 |  |  | 1,521 |
Settlement | 1,076 |  |  | 2,278 |  |  | 4,023 |  |  | 397 |  |  | — |  |  | — |
Net periodic benefit cost (income) | $ | 1,005 |  |  | $ | (262) |  |  | $ | (2,423) |  |  | $ | (5,921) |  |  | $ | 7,085 |  |  | $ | 7,424 |
Contributions to benefit plans | $ | 5,959 |  |  | $ | 7,401 |  |  | $ | 9,013 |  |  | $ | 9,740 |  |  | $ | 10,493 |  |  | $ | 13,841 |

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