Expenses - Summary of Changes in Inventories and Raw Materials and Consumables Used (Detail) - EUR (€) € in Thousands |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Disclosure of Changes In Inventories And Raw Materials And Consumables Used [Abstract] | ||
| Consumption of finished goods, raw materials and other consumables | € 30,696 | € 44,687 |
| Scrap stock, slow moving & obsolete accrual | 1,339 | 318 |
| Work carried out by other companies | 1,427 | 2,085 |
| Total | € 33,462 | € 47,090 |