Pension obligations (Schedule of detailed information about pension expense) - (Details) - USD ($) $ in Millions |
12 Months Ended | |
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Dec. 31, 2025 |
Dec. 31, 2024 |
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| Pension Obligations [Line Items] | ||
| Defined benefit pension expense | $ 4.7 | $ 4.4 |
| Defined contribution pension expense | 2.5 | 2.1 |
| Pension obligations [Member] | ||
| Pension Obligations [Line Items] | ||
| Current service cost | 4.7 | 4.7 |
| Past service cost | 0.0 | 2.7 |
| Total service cost | 4.7 | 7.5 |
| Net interest expense | 0.4 | 0.2 |
| Administration cost | 0.0 | 0.1 |
| Defined benefit pension expense | 5.1 | 7.8 |
| Defined contribution pension expense | $ 2.5 | $ 2.1 |
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- Definition Administration cost No definition available.
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. No definition available.
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- Definition The increase (decrease) in the net defined benefit liability (asset) resulting from employee service in the current period. [Refer: Net defined benefit liability (asset)] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The increase (decrease) in the net defined benefit liability (asset) resulting from past service cost. Past service cost is the change in the present value of the defined benefit obligation for employee service in prior periods, resulting from a plan amendment (the introduction or withdrawal of, or changes to, a defined benefit plan) or a curtailment (a significant reduction by the entity in the number of employees covered by a plan). [Refer: Net defined benefit liability (asset); Defined benefit plans [domain]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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