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 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 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 |
As at 2022-12-31 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — | — |
1,272,400,000
EUR
|
1,172,200,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — | — | — | — |
215,800,000
EUR
|
204,800,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — | — | — | — |
45,100,000
EUR
|
43,900,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — |
82,700,000
EUR
|
82,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — |
56,700,000
EUR
|
70,900,000
EUR
|
— | — | — | — | — | — |
43,500,000
EUR
|
— | — | — | — | — | — |
| Assets | — | — | — | — | — | — |
3,540,200,000
EUR
|
3,234,600,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital | — | — | — | — | — | — |
4,000,000
EUR
|
4,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — | — | — |
333,200,000
EUR
|
342,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium | — | — | — | — | — | — |
690,500,000
EUR
|
690,500,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves | — | — | — | — | — | — |
50,200,000
EUR
|
51,500,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
333,200,000
EUR
|
690,500,000
EUR
|
4,000,000
EUR
|
2,700,000
EUR
|
48,700,000
EUR
|
4,200,000
EUR
|
411,500,000
EUR
|
404,000,000
EUR
|
342,000,000
EUR
|
690,500,000
EUR
|
4,000,000
EUR
|
48,700,000
EUR
|
-
EUR
|
2,800,000
EUR
|
405,400,000
EUR
|
900,000
EUR
|
338,700,000
EUR
|
-
EUR
|
4,000,000
EUR
|
690,500,000
EUR
|
48,700,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||
| Deferred tax liabilities | — | — | — | — | — | — |
1,000,000
EUR
|
300,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — | — | — |
3,128,700,000
EUR
|
2,830,600,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — |
3,540,200,000
EUR
|
3,234,600,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |