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Property, Plant and Equipment - Summary of Property, Plant and Equipment by Country (Detail) - EUR (€) € in Thousands | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
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Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property plant and equipment | € 102,523 | € 111,086 | € 115,190
Italy [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property plant and equipment | 57,035 | 61,271 |
Romania [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property plant and equipment | 19,831 | 23,406 |
United States of America [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property plant and equipment | 17,800 | 17,830 |
Brazil [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property plant and equipment | 4,250 | 4,552 |
China [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property plant and equipment | 2,334 | 2,562 |
Europe [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property plant and equipment | 1,260 | 1,463 |
Other countries [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property plant and equipment | € 13 | € 2 |

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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 2019-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2019-en-r&anchor=para_73_e&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 54 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_54_a&doctype=Standard -URIDate 2019-03-27 + Details
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