Pensions and Other Benefit Programs (Schedule of Periodic Benefit (Credits) Costs (Details) - 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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| U.S. Defined-Benefit Plans [Member] | ||||
| Defined Benefit Plan Disclosure [Line Items] | ||||
| Service cost of benefits earned during the period | $ 0.6 | $ 0.5 | $ 1.6 | $ 1.7 |
| Interest cost on projected benefit obligation | 3.9 | 4.1 | 11.6 | 12.4 |
| Expected return on plan assets | (5.9) | (5.6) | (17.4) | (16.8) |
| Amortization of net actuarial loss (gain) | 1.3 | 1.4 | 4.0 | 4.1 |
| Net periodic postretirement (credit) cost | (0.1) | 0.4 | (0.2) | 1.4 |
| Retiree Health And Life Insurance Benefits [Member] | ||||
| Defined Benefit Plan Disclosure [Line Items] | ||||
| Interest cost on projected benefit obligation | 0.4 | 0.5 | 1.2 | 1.5 |
| Amortization of prior service credit | 0.0 | 0.0 | 0.0 | (0.1) |
| Amortization of net actuarial loss (gain) | (0.5) | (0.5) | (1.4) | (1.3) |
| Net periodic postretirement (credit) cost | $ (0.1) | $ 0.0 | $ (0.2) | $ 0.1 |
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- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of prior service cost (credit) recognized in net periodic benefit cost (credit) of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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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- Details
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