Statement Of Changes In Equity [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 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 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 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 |
2022-01-01 to 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 changes in equity [abstract] | ||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||
| Equity | — |
222,800,000
EUR
|
— |
147,700,000
EUR
|
— | — |
2,500,000
EUR
|
7,700,000
EUR
|
45,300,000
EUR
|
500,000
EUR
|
220,300,000
EUR
|
19,100,000
EUR
|
205,900,000
EUR
|
— | — | — |
1,500,000
EUR
|
7,700,000
EUR
|
131,700,000
EUR
|
45,300,000
EUR
|
600,000
EUR
|
204,500,000
EUR
|
— |
19,100,000
EUR
|
91,200,000
EUR
|
166,500,000
EUR
|
19,100,000
EUR
|
163,600,000
EUR
|
7,700,000
EUR
|
2,900,000
EUR
|
300,000
EUR
|
45,300,000
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||
| Profit (loss) |
56,400,000
EUR
|
— |
56,300,000
EUR
|
— |
0
EUR
|
56,300,000
EUR
|
— | — | — | — | — | — | — |
71,900,000
EUR
|
71,900,000
EUR
|
0
EUR
|
— | — | — | — | — | — |
71,900,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Other comprehensive income |
100,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
400,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
56,300,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
72,300,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
36,200,000
EUR
|
— |
36,200,000
EUR
|
— | — |
36,200,000
EUR
|
— | — | — | — | — | — | — |
28,800,000
EUR
|
28,800,000
EUR
|
— | — | — | — | — | — | — |
28,800,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity |
100,000
EUR
|
— |
1,100,000
EUR
|
— |
1,000,000
EUR
|
1,100,000
EUR
|
— | — | — | — | — | — | — |
100,000
EUR
|
1,300,000
EUR
|
1,400,000
EUR
|
— | — | — | — | — | — |
1,300,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
3,500,000
EUR
|
— |
3,500,000
EUR
|
— | — |
3,500,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |