Leases - weighted average lease term and discount rate (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Weighted average remaining lease term at end of the year: | |||
| Operating leases | 8 years 10 months 24 days | 9 years 3 months 18 days | 6 years 7 months 6 days |
| Finance leases | 4 years 9 months 18 days | 4 years 4 months 24 days | 11 years 8 months 12 days |
| Weighted average discount rate at end of the year: | |||
| Operating leases | 6.10% | 6.20% | 4.40% |
| Finance leases | 5.40% | 3.80% | 7.90% |
| Operating lease right-of-use assets obtained in exchange for operating lease liabilities | $ 36.2 | $ 100.1 | $ 39.3 |
| Finance lease right-of-use assets obtained in exchange for Finance lease liabilities | $ 17.5 | ||
| Finance lease right-of-use assets obtained in exchange for Finance lease liabilities | $ 4.4 | $ 4.2 | |
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- Definition Right-of-Use Asset Obtained in Exchange for Finance Lease Liability, Including Adjustment No definition available.
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- Definition Weighted Average Discount Rate [Abstract] No definition available.
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- Definition Weighted Average Remaining Lease Term No definition available.
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- Definition Weighted average discount rate for finance lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Weighted average discount rate for operating lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of increase in right-of-use asset obtained in exchange for finance lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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