Inventories - Summary of Inventories Explanatory (Detail) - EUR (€) € in Thousands	Dec. 31, 2024	Dec. 31, 2023
Summary of Inventory Disclosure [Line Items]
Raw materials and consumables	€ 17,596	€ 18,566
Work in progress	235,688	171,030
Finished goods	42,325	19,335
Total inventories	€ 295,609	€ 208,931

Summary of inventory disclosure.

No definition available.

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- Definition

A classification of current inventory representing the amount of current raw materials and current production supplies. [Refer: Current production supplies; Current raw materials]

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- Definition

A classification of current inventory representing the amount of goods that have completed the production process and are held for sale in the ordinary course of business. [Refer: Inventories]

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The amount of assets: (a) held for sale in the ordinary course of business; (b) in the process of production for such sale; or (c) in the form of materials or supplies to be consumed in the production process or in the rendering of services. Inventories encompass goods purchased and held for resale including, for example, merchandise purchased by a retailer and held for resale, or land and other property held for resale. Inventories also encompass finished goods produced, or work in progress being produced, by the entity and include materials and supplies awaiting use in the production process. [Refer: Current finished goods; Current merchandise; Current work in progress; Land]

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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A classification of current inventory representing the amount of assets currently in production, which require further processes to be converted into finished goods or services. [Refer: Current finished goods; Inventories]

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