Variable interest entities (Details) - USD ($) $ in Millions |
Mar. 30, 2026 |
Sep. 30, 2026 |
Dec. 31, 2025 |
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| Variable Interest Entity [Line Items] | |||
| Debt, carrying value | $ 2,611.3 | $ 2,658.8 | |
| Equity method investments | 5.4 | 0.0 | |
| Variable Interest Entity, Primary Beneficiary | |||
| Variable Interest Entity [Line Items] | |||
| Debt, carrying value | 33.7 | $ 35.7 | |
| Variable Interest Entity, Not Primary Beneficiary | Nordic LuxCo | |||
| Variable Interest Entity [Line Items] | |||
| Variable interest entity, qualitative or quantitative information, ownership percentage | 24.90% | ||
| Equity method investments | 5.4 | ||
| Variable interest entity, maximum loss exposure | $ 5.4 |
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- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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 Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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