Cash and cash equivalents - Additional information (Details) - EUR (€) |
6 Months Ended | 12 Months Ended |
|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Disclosure of detailed information about financial instruments [line items] | ||
| Restricted Cash And Cash Equivalent | € 0 | € 0 |
| Fair value of investment in money market funds | 318,300,000 | 232,500,000 |
| Cost of money market funds | € 323,700,000 | € 241,200,000 |
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- Definition The amount of interest and other costs that an entity incurs in connection with the borrowing of funds that are directly attributable to the acquisition, construction or production of a qualifying asset and which form part of the cost of that asset. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. No definition available.
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- Definition The amount of cash and cash equivalents whose use or withdrawal is restricted. [Refer: Cash and cash equivalents] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Fair Value Of Money Market Fund Investments No definition available.
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