Income taxes - Comprehensive Provision for Income Tax (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Schedule Of Income Tax [Line Items] | |||
| Income tax expense (benefit) | $ 11.9 | $ 82.9 | $ (24.6) |
| Other comprehensive income (loss): | |||
| Currency translation | 3.7 | (3.9) | 0.4 |
| Total | 45.6 | 86.5 | (32.1) |
| Pension Plans | |||
| Other comprehensive income (loss): | |||
| Defined benefit plans | 29.9 | $ 7.5 | (7.6) |
| Other | |||
| Other comprehensive income (loss): | |||
| Defined benefit plans | $ 0.1 | $ (0.3) | |
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of tax expense (benefit), after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income of defined benefit plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Income tax allocable to other comprehensive income items. No definition available.
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations and other comprehensive income. No definition available.
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- Definition Schedule of income tax. No definition available.
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- Details
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- Details
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