Benefit Plans and Other Postretirement Benefits, Net pension expense (Details) - Pension Plan - 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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| Components of net pension expense: | ||||
| Service cost | $ 1.4 | $ 0.8 | $ 4.2 | $ 2.3 |
| Interest cost | 7.6 | 5.9 | 22.8 | 17.6 |
| Expected return on plan assets | (8.4) | (6.7) | (25.3) | (19.9) |
| Amortization of prior service cost | 0.3 | 0.3 | 0.9 | 0.9 |
| Amortization of net actuarial losses | 0.7 | 0.8 | 2.1 | 2.3 |
| Net pension (income) expense | 1.6 | $ 1.1 | 4.7 | $ 3.2 |
| UNITED STATES | ||||
| Defined Benefit Plan Disclosure | ||||
| Estimated future employer contribution in fiscal year | $ 0.0 | $ 0.0 | ||
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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 contributions received and expected to be received by defined benefit plan from employer in current fiscal year. 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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- References No definition available.
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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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- Details
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