Employee benefit plans - Components of Net Periodic Benefit Cost (Detail) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
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| Net periodic pension cost (income): | ||
| Expected contributions for pension plans in 2026 | $ 17.0 | |
| Foreign plan | Defined benefit pension plans | ||
| Net periodic pension cost (income): | ||
| Service cost | 1.3 | $ 1.4 |
| Interest cost | 5.6 | 4.9 |
| Expected return on plan assets | (5.3) | (4.8) |
| Recognized actuarial losses | 0.4 | 0.3 |
| Total | $ 2.0 | $ 1.8 |
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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 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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