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Income taxes - Loss carry-forwards (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2024 USD ($)
Income taxes |
Net operating loss carry-forwards | $ 1,000.0
United States |
Income taxes |
Net operating loss carry-forwards | 27.4
Carry-forwards limited for use | 12.8
Europe |
Income taxes |
Net operating loss carry-forwards | 956.9
Carry-forwards not limited for use | 828.0
Carry-forwards limited for use | 128.8
Other than United States |
Income taxes |
Net operating loss carry-forwards | 35.6
Carry-forwards not limited for use | $ 992.5

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- Definition The amount of operating loss carryforwards which are not subject to expiration dates. + References No definition available. + Details
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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-3 + Details
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