Statement Of Financial Position [Abstract]
| Concept |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||
| Assets [abstract] | |||||||||||||||
| Property, plant and equipment | — | — | — |
714,900,000
EUR
|
— | — | — | — |
739,400,000
EUR
|
— | — | — | — | — | — |
| Right-of-use assets | — | — | — |
54,100,000
EUR
|
— | — | — | — |
59,000,000
EUR
|
— | — | — | — | — | — |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements | — | — | — |
16,600,000
EUR
|
— | — | — | — |
18,600,000
EUR
|
— | — | — | — | — | — |
| Inventories | — | — | — |
258,100,000
EUR
|
— | — | — | — |
262,900,000
EUR
|
— | — | — | — | — | — |
| Current tax assets | — | — | — |
2,100,000
EUR
|
— | — | — | — |
8,000,000
EUR
|
— | — | — | — | — | — |
| Deferred tax assets | — | — | — |
39,500,000
EUR
|
— | — | — | — |
30,900,000
EUR
|
— | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
49,300,000
EUR
|
— | — | — | — |
70,200,000
EUR
|
— |
58,200,000
EUR
|
— | — | — | — |
| Assets | — | — | — |
1,546,300,000
EUR
|
— | — | — | — |
1,686,800,000
EUR
|
— | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||
| Equity [abstract] | |||||||||||||||
| Equity |
675,800,000
EUR
|
55,200,000
EUR
|
26,700,000
EUR
|
772,500,000
EUR
|
14,800,000
EUR
|
55,200,000
EUR
|
14,800,000
EUR
|
540,600,000
EUR
|
636,200,000
EUR
|
25,600,000
EUR
|
625,700,000
EUR
|
55,200,000
EUR
|
493,800,000
EUR
|
14,800,000
EUR
|
61,900,000
EUR
|
| Liabilities [abstract] | |||||||||||||||
| Current tax liabilities | — | — | — |
2,000,000
EUR
|
— | — | — | — |
2,500,000
EUR
|
— | — | — | — | — | — |
| Deferred tax liabilities | — | — | — |
16,600,000
EUR
|
— | — | — | — |
28,300,000
EUR
|
— | — | — | — | — | — |
| Liabilities | — | — | — |
773,800,000
EUR
|
— | — | — | — |
1,050,600,000
EUR
|
— | — | — | — | — | — |
| Equity and liabilities | — | — | — |
1,546,300,000
EUR
|
— | — | — | — |
1,686,800,000
EUR
|
— | — | — | — | — | — |