Derivative and hedging activities - Gain (Loss) on Net Investment Hedges (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| 3.875% unsecured notes | Foreign currency denominated debt | Net Investment Hedging | Designated as Hedging Instrument | ||||
| Derivative Instruments and Hedging Activities Disclosures [Line Items] | ||||
| Net investment hedges | $ (17.8) | $ 0.0 | $ (20.9) | $ 0.0 |
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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, before tax, of increase (decrease) in the cumulative translation adjustment from gain (loss) on foreign currency derivatives that are designated as, and are effective as, economic hedges of a net investment in a foreign entity. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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