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v3.25.3

Pensions and Other Postretirement Benefits (Tables) | 9 Months Ended
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Sep. 30, 2025
Retirement Benefits [Abstract] |
Schedule of Components of Net Annual Benefit Cost (Income) | The following table summarizes the components of net annual benefit cost (income):
(in Millions) | Three Months Ended September 30, |  | Nine Months Ended September 30,
Pensions |  | Other Benefits |  | Pensions |  | Other Benefits
2025 |  | 2024 |  | 2025 |  | 2024 |  | 2025 |  | 2024 |  | 2025 |  | 2024
Service cost | $ | 0.3 |  |  | $ | 0.1 |  |  | $ | — |  |  | $ | — |  |  | $ | 1.0 |  |  | $ | 1.6 |  |  | $ | — |  |  | $ | — |
Interest cost | 11.9 |  |  | 12.0 |  |  | 0.1 |  |  | 0.1 |  |  | 35.8 |  |  | 35.9 |  |  | 0.3 |  |  | 0.3 |
Expected return on plan assets | (11.9) |  |  | (11.1) |  |  | — |  |  | — |  |  | (36.0) |  |  | (33.5) |  |  | — |  |  | — |
Amortization of net actuarial and other (gain) loss | 3.2 |  |  | 3.6 |  |  | (0.3) |  |  | (0.3) |  |  | 10.1 |  |  | 10.6 |  |  | (0.8) |  |  | (0.7) |
Recognized (gain) loss due to curtailments, settlements, and other | 0.1 |  |  | 0.1 |  |  | — |  |  | — |  |  | 0.3 |  |  | 0.3 |  |  | — |  |  | — |
Net periodic benefit cost (income) | $ | 3.6 |  |  | $ | 4.7 |  |  | $ | (0.2) |  |  | $ | (0.2) |  |  | $ | 11.2 |  |  | $ | 14.9 |  |  | $ | (0.5) |  |  | $ | (0.4) |

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (q) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-5 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 715 -SubTopic 20 -Subparagraph (h) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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