Statement Of Financial Position [Abstract]
| Concept |
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 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 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||||||
| Property, plant and equipment |
19,100,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
17,600,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
132,600,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
131,200,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill |
442,500,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
369,900,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
56,400,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
47,700,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method |
1,100,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
1,300,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements |
100,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
1,500,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
15,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
16,800,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
81,200,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
130,900,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
149,300,000
EUR
|
| Assets |
1,424,700,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
1,320,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||
| Issued capital |
1,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
1,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
135,100,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
107,600,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Treasury shares |
2,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
2,400,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
225,200,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
201,100,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
200,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
300,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
225,400,000
EUR
|
35,000,000
EUR
|
300,000
EUR
|
200,000
EUR
|
135,100,000
EUR
|
2,000,000
EUR
|
1,000,000
EUR
|
9,600,000
EUR
|
225,200,000
EUR
|
66,000,000
EUR
|
2,400,000
EUR
|
107,600,000
EUR
|
200,000
EUR
|
35,000,000
EUR
|
201,400,000
EUR
|
66,000,000
EUR
|
201,100,000
EUR
|
300,000
EUR
|
6,000,000
EUR
|
1,000,000
EUR
|
111,300,000
EUR
|
100,000
EUR
|
300,000
EUR
|
35,000,000
EUR
|
66,000,000
EUR
|
196,300,000
EUR
|
1,000,000
EUR
|
2,800,000
EUR
|
14,100,000
EUR
|
196,600,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||
| Deferred tax liabilities |
38,500,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
34,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
1,199,300,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
1,118,600,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
1,424,700,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
1,320,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |