Pension and other Postretirement Benefits - Narrative (Schedule of Net Benefit Costs) (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Retirement Benefits [Abstract] | ||||
| Defined Benefit Plan, Interest Cost | $ 7.4 | $ 7.8 | $ 14.8 | $ 15.4 |
| Defined Benefit Plan, Expected Return (Loss) on Plan Assets | (8.1) | (7.3) | (16.2) | (14.5) |
| Defined Benefit Plan, Amortization of Gain (Loss) | 0.2 | 0.2 | 0.4 | 0.4 |
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit) | $ (0.9) | $ 0.3 | $ (1.8) | $ 0.5 |
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- References No definition available.
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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 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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