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Property, Plant and Equipment - Summary of Depreciations Charges (Detail) - EUR (€) € in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure of detailed information about depreciations charges [Line Items] |  |  |
Depreciations charges | € 17,247 | € 18,428 | € 17,514
Cost of sales [member] |  |  |
Disclosure of detailed information about depreciations charges [Line Items] |  |  |
Depreciations charges | 3,197 | 2,509 | 1,245
Research and development costs [member] |  |  |
Disclosure of detailed information about depreciations charges [Line Items] |  |  |
Depreciations charges | 7,453 | 10,296 | 10,892
Selling General And Administrative Expense [Member] |  |  |
Disclosure of detailed information about depreciations charges [Line Items] |  |  |
Depreciations charges | € 6,597 | € 5,623 | € 5,377

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