Statement Of Financial Position [Abstract]
| Concept |
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 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 |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||
| Property, plant and equipment | — |
562,100,000
EUR
|
— | — | — | — | — | — |
498,200,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — |
440,500,000
EUR
|
— | — | — | — | — | — |
419,200,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investment property | — |
500,000
EUR
|
— | — | — | — | — | — |
500,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — |
250,600,000
EUR
|
— | — | — | — | — | — |
250,900,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — |
30,300,000
EUR
|
— | — | — | — | — | — |
31,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — |
137,500,000
EUR
|
— | — | — | — | — | — |
167,900,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
213,700,000
EUR
|
— | — | — | — |
| Assets | — |
1,310,200,000
EUR
|
— | — | — | — | — | — |
1,282,900,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||
| Issued capital | — |
77,600,000
EUR
|
— | — | — | — | — | — |
77,600,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — |
256,900,000
EUR
|
— | — | — | — | — | — |
204,600,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves | — |
1,600,000
EUR
|
— | — | — | — | — | — |
1,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — |
391,500,000
EUR
|
— | — | — | — | — | — |
335,600,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
75,900,000
EUR
|
391,500,000
EUR
|
256,900,000
EUR
|
200,000
EUR
|
77,600,000
EUR
|
17,300,000
EUR
|
391,500,000
EUR
|
1,800,000
EUR
|
335,600,000
EUR
|
73,300,000
EUR
|
100,000
EUR
|
204,600,000
EUR
|
77,600,000
EUR
|
18,900,000
EUR
|
335,600,000
EUR
|
1,100,000
EUR
|
102,900,000
EUR
|
72,000,000
EUR
|
100,000
EUR
|
268,200,000
EUR
|
1,100,000
EUR
|
268,200,000
EUR
|
14,400,000
EUR
|
77,600,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||
| Deferred tax liabilities | — |
51,000,000
EUR
|
— | — | — | — | — | — |
40,300,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — |
918,600,000
EUR
|
— | — | — | — | — | — |
947,300,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — |
1,310,200,000
EUR
|
— | — | — | — | — | — |
1,282,900,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |