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v3.19.1

Pensions | 3 Months Ended
--- | ---
Mar. 31, 2019
Retirement Benefits [Abstract] |
Pensions | PENSIONS The following table summarizes the components of net postretirement pension expense:
| U.S. Benefit Plan |  | Non-U.S. Benefit Plan
| Three Months Ended March 31, |  | Three Months Ended March 31,
(in millions) | 2019 |  | 2018 |  | 2019 |  | 2018
Service cost | $ | — |  |  | $ | — |  |  | $ | 0.1 |  |  | $ | 0.1 |
Interest cost | 1.7 |  |  | 1.6 |  |  | 0.3 |  |  | 0.3 |
Amortization of actuarial loss | 0.6 |  |  | 0.8 |  |  | 0.2 |  |  | 0.2 |
Expected return on plan assets | (2.2 | ) |  | (2.2 | ) |  | (0.5 | ) |  | (0.6 | )
Net postretirement pension expense | $ | 0.1 |  |  | $ | 0.2 |  |  | $ | 0.1 |  |  | $ | — |

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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 + Details
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