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Employee Benefit Plans (Tables) | 9 Months Ended
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Sep. 30, 2025
Retirement Benefits [Abstract] |
Components of Net Pension (Income) Expense | The following information details the components of net pen sion (income) expense for the Company’s defined benefit plans:
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30 |  |  | September 30 |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Service cost |  | $ | 24.0 |  |  | $ | 25.3 |  |  | $ | 71.4 |  |  | $ | 80.7 |
Interest on projected benefit obligation |  |  | 36.4 |  |  |  | 34.4 |  |  |  | 108.3 |  |  |  | 101.4 |
Expected return on assets |  |  | (63.2 | ) |  |  | (60.8 | ) |  |  | (188.6 | ) |  |  | (181.9 | )
Amortization of prior service costs |  |  | .3 |  |  |  | .3 |  |  |  | 1.0 |  |  |  | 1.0 |
Recognized actuarial loss |  |  | .6 |  |  |  | 2.5 |  |  |  | 1.4 |  |  |  | 5.3 |
Net pension (income) expense |  | $ | (1.9 | ) |  | $ | 1.7 |  |  | $ | (6.5 | ) |  | $ | 6.5 |

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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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