Retirement Benefit Plans - 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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| Foreign Plan [Member] | ||||
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ||||
| Defined Benefit Plan, Service Cost | $ 0.0 | $ 0.0 | $ 0.1 | $ 0.0 |
| Interest cost | 1.4 | 1.6 | 4.3 | 4.5 |
| Expected return on plan assets | (1.6) | (1.4) | (4.9) | (4.0) |
| Amortization of actuarial loss | 0.7 | 0.3 | 2.0 | 1.1 |
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total | 0.5 | 0.5 | 1.5 | 1.6 |
| UNITED STATES | ||||
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ||||
| Interest cost | 0.5 | 0.5 | 1.4 | 1.6 |
| Expected return on plan assets | (0.4) | (0.5) | (1.2) | (1.6) |
| Amortization of actuarial loss | 0.4 | 0.5 | 1.2 | 1.4 |
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total | $ 0.5 | $ 0.5 | $ 1.4 | $ 1.4 |
| X | ||||||||||
- 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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- 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 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. No definition available.
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