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v3.20.1

Pensions and Other Postretirement Benefits | 3 Months Ended
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Mar. 31, 2020
Retirement Benefits [Abstract] |
Pensions and Other Postretirement Benefits | Pensions and Other Postretirement Benefits The following table summarizes the components of net annual benefit cost (income):
|  |  |  |  |  |  |  |  | Pensions |  |  |  | Other Benefits |  |
(in Millions) |  |  |  |  |  |  |  |  | Three Months Ended March 31, |  |  |  |  |  |
|  |  |  |  |  |  |  |  | 2020 |  | 2019 |  | 2020 |  | 2019
Service cost |  |  |  |  |  |  |  |  | $ | 0.9 |  |  | $ | 1.1 |  |  | $ | — |  |  | $ | — |
Interest cost |  |  |  |  |  |  |  |  | 9.1 |  |  | 12.2 |  |  | 0.1 |  |  | 0.2 |
Expected return on plan assets |  |  |  |  |  |  |  |  | (9.3) |  |  | (13.4) |  |  | — |  |  | — |
Amortization of prior service cost (credit) |  |  |  |  |  |  |  |  | 0.1 |  |  | 0.1 |  |  | — |  |  | — |
Recognized net actuarial and other (gain) loss |  |  |  |  |  |  |  |  | 2.5 |  |  | 4.6 |  |  | (0.2) |  |  | (0.2) |
Net periodic benefit cost (income) |  |  |  |  |  |  |  |  | $ | 3.3 |  |  | $ | 4.6 |  |  | $ | (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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