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Employee Benefits - Schedule Of Breakdown Of Defined Benefit Obligation By Type Of Defined Benefit Plan (Detail) - EUR (€) € in Thousands | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
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Disclosure Of Detailed Information About Employee Benefits [Line Items] |  |  |
Net defined benefit liability (asset) | € 15,128 | € 18,464 | € 19,085
Defined benefit plans |  |  |
Disclosure Of Detailed Information About Employee Benefits [Line Items] |  |  |
Net defined benefit liability (asset) | 12,543 | 16,016 |
ITALY | Defined benefit plans |  |  |
Disclosure Of Detailed Information About Employee Benefits [Line Items] |  |  |
Net defined benefit liability (asset) | 2,361 | 2,997 | 2,492
AUSTRIA |  |  |
Disclosure Of Detailed Information About Employee Benefits [Line Items] |  |  |
Net defined benefit liability (asset) | 10,182 | 13,019 |
AUSTRIA | Defined benefit plans |  |  |
Disclosure Of Detailed Information About Employee Benefits [Line Items] |  |  |
Net defined benefit liability (asset) | 10,182 | 13,019 | € 14,555
Italian Leaving Indemnities | ITALY | Defined benefit plans |  |  |
Disclosure Of Detailed Information About Employee Benefits [Line Items] |  |  |
Net defined benefit liability (asset) | 2,361 | 2,997 |
Severance Payments | AUSTRIA | Defined benefit plans |  |  |
Disclosure Of Detailed Information About Employee Benefits [Line Items] |  |  |
Net defined benefit liability (asset) | 6,201 | 8,139 |
Pension Liability | AUSTRIA | Defined benefit plans |  |  |
Disclosure Of Detailed Information About Employee Benefits [Line Items] |  |  |
Net defined benefit liability (asset) | € 3,981 | € 4,880 |

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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. + References No definition available. + Details
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- Definition The amount of deficit or surplus in a defined benefit plan, adjusted for any effect of limiting a net defined benefit asset to the asset ceiling. [Refer: Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2022-03-24 -Paragraph 140 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2022-en-r&anchor=para_140_a&doctype=Standard -URIDate 2022-03-24 + Details
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