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 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 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 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — | — | — | — |
63,200,000
EUR
|
62,700,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — | — | — | — | — | — |
59,000,000
EUR
|
67,900,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — | — | — | — | — | — |
299,100,000
EUR
|
304,300,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — | — | — | — | — | — |
194,100,000
EUR
|
206,300,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — | — | — | — | — | — | — |
11,600,000
EUR
|
12,300,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other non-current receivables | — | — | — | — | — | — | — | — |
200,000
EUR
|
0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial assets | — | — | — | — | — | — | — | — |
700,000
EUR
|
700,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — | — | — | — | — | — |
627,800,000
EUR
|
654,100,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||||||||
| Current inventories | — | — | — | — | — | — | — | — |
139,200,000
EUR
|
144,200,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, current | — | — | — | — | — | — | — | — |
5,300,000
EUR
|
6,100,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — | — | — |
181,500,000
EUR
|
212,700,000
EUR
|
— | — | — | — | — | — | — | — | — |
91,400,000
EUR
|
— | — | — | — | — | — | — |
| Current assets | — | — | — | — | — | — | — | — |
441,600,000
EUR
|
481,600,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — | — | — | — |
1,069,400,000
EUR
|
1,135,700,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||
| Issued capital | — | — | — | — | — | — | — | — |
61,500,000
EUR
|
61,500,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — | — | — | — | — |
50,100,000
EUR
|
54,500,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — | — | — | — |
397,900,000
EUR
|
407,300,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — | — | — |
900,000
EUR
|
500,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
0
EUR
|
50,100,000
EUR
|
61,500,000
EUR
|
900,000
EUR
|
50,800,000
EUR
|
397,900,000
EUR
|
400,000
EUR
|
336,800,000
EUR
|
398,700,000
EUR
|
407,800,000
EUR
|
54,500,000
EUR
|
500,000
EUR
|
61,500,000
EUR
|
44,000,000
EUR
|
407,300,000
EUR
|
1,500,000
EUR
|
336,800,000
EUR
|
0
EUR
|
500,000
EUR
|
481,400,000
EUR
|
900,000
EUR
|
110,700,000
EUR
|
61,500,000
EUR
|
33,000,000
EUR
|
480,500,000
EUR
|
4,200,000
EUR
|
336,800,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||||||||
| Deferred tax liabilities | — | — | — | — | — | — | — | — |
35,400,000
EUR
|
36,500,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — | — | — | — | — | — |
306,400,000
EUR
|
374,500,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||||||||
| Current provisions [abstract] | |||||||||||||||||||||||||||
| Current provisions for employee benefits | — | — | — | — | — | — | — | — |
1,700,000
EUR
|
3,900,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current payables | — | — | — | — | — | — | — | — |
324,400,000
EUR
|
329,600,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — | — | — | — | — | — |
364,400,000
EUR
|
353,400,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — | — | — | — | — |
670,700,000
EUR
|
727,900,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — | — | — |
1,069,400,000
EUR
|
1,135,700,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |