Supplemental Financial Information (Other Income) (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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| Supplemental Financial Information [Abstract] | ||||
| Gain (Loss) on Disposition of Property Plant Equipment | $ 27.5 | $ 89.5 | $ 63.6 | $ 117.4 |
| Gain (Loss), Foreign Currency Transaction, before Tax | 0.3 | (1.8) | (3.1) | (16.1) |
| Net periodic pension and retiree medical income (loss) | 1.0 | (0.2) | 2.8 | (0.7) |
| Other income (expense) | 0.1 | 0.2 | 0.3 | 0.4 |
| Other, net | $ 28.7 | $ 87.7 | $ 63.6 | $ 100.2 |
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- Definition Amount, before tax, of realized and unrealized gain (loss) from foreign currency transaction. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of expense (reversal of expense) for net periodic benefit cost components, excluding service cost component, of defined benefit plan. Amount includes, but is not limited to, interest cost, expected (return) loss on plan asset, amortization of prior service cost (credit), amortization of (gain) loss, amortization of transition (asset) obligation, settlement (gain) loss, curtailment (gain) loss and certain termination benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expense related to nonoperating activities, classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of income (expense) related to nonoperating activities, classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Supplemental Financial Information [Abstract] No definition available.
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