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v3.26.1

Pension and Other Benefits (Tables) | 6 Months Ended
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Jun. 30, 2026
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract] |
Schedule of Net Pension and Other Benefit Costs | The following table sets forth the components of net pension and other benefit costs for the three and six months ended June 30, 2026 and 2025 (in millions):
| Pension Benefits | Other Benefits
| 2026 | 2025 | 2026 | 2025
Three Months Ended June 30, |  |  |  |
Service cost | $ | 0.1 |  | $ | 0.1 |  | $ | — |  | $ | — |
Interest cost | 8.4 |  | 8.8 |  | 0.2 |  | 0.2 |
Expected return on plan assets | (7.5) |  | (7.1) |  | — |  | — |
Amortization of prior service cost | 0.1 |  | 0.1 |  | — |  | — |
Amortization of actuarial losses (gains) | 2.5 |  | 2.8 |  | (0.2) |  | (0.2) |
NET PERIODIC BENEFIT COST | $ | 3.6 |  | $ | 4.7 |  | $ | — |  | $ | — |
Six Months Ended June 30, |  |  |  |
Service cost | $ | 0.2 |  | $ | 0.2 |  | $ | — |  | $ | — |
Interest cost | 16.7 |  | 17.6 |  | 0.4 |  | 0.4 |
Expected return on plan assets | (15.0) |  | (14.2) |  | — |  | — |
Amortization of prior service cost | 0.2 |  | 0.2 |  | — |  | — |
Amortization of actuarial losses (gains) | 5.0 |  | 5.9 |  | (0.4) |  | (0.3) |
NET PERIODIC BENEFIT COST | $ | 7.1 |  | $ | 9.7 |  | $ | — |  | $ | 0.1 |

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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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