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Property, Plant and Equipment - Summary of Breakdown of Property, Plant and Equipment by Country (Detail) - EUR (€) € in Thousands | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
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Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment | € 84,431 | € 83,054 | € 85,306
Italy [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment | 46,610 | 45,470 |
Romania [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment | 17,952 | 18,502 |
United States of America [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment | 14,807 | 13,884 |
Brazil [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment | 3,092 | 2,753 |
Europe [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment | 957 | 1,253 |
China [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment | 695 | 810 |
Other countries [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment | € 318 | € 382 |

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- Definition The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2022-03-24 -Paragraph 73 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2022-en-r&anchor=para_73_e&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 54 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_54_a&doctype=Standard -URIDate 2022-03-24 + Details
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