Pensions and Other Postretirement Benefits (Net Periodic Benefit Costs) (Details) - Pension and other postretirement benefits - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
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| Defined Benefit Plan Disclosure [Line Items] | ||||
| Service cost | $ 8.7 | $ 7.4 | $ 26.0 | $ 22.3 |
| Interest cost | 16.0 | 16.2 | 48.0 | 48.7 |
| Expected return on plan assets | (17.6) | (16.8) | (52.7) | (50.4) |
| Amortization of prior service costs | 0.6 | 0.0 | 1.9 | 0.0 |
| Net periodic benefit cost | $ 5.5 | $ 3.9 | $ 16.5 | $ 11.9 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of cost recognized for passage of time related to defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of net periodic benefit cost (credit) for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, before tax, of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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