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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||
| Assets [abstract] | |||||||||||||||
| Non-current assets [abstract] | |||||||||||||||
| Property, plant and equipment | — | — | — |
112,800,000
EUR
|
— |
102,800,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — |
66,600,000
EUR
|
— |
57,400,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — |
168,700,000
EUR
|
— |
170,400,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — |
23,400,000
EUR
|
— |
20,600,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Other non-current financial assets | — | — | — |
2,800,000
EUR
|
— |
12,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — |
418,600,000
EUR
|
— |
414,900,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||
| Current inventories | — | — | — |
200,500,000
EUR
|
— |
220,200,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Current tax assets, current | — | — | — |
3,500,000
EUR
|
— |
3,800,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
23,300,000
EUR
|
— |
22,700,000
EUR
|
— | — | — | — |
15,000,000
EUR
|
— | — | — | — |
| Current assets | — | — | — |
395,400,000
EUR
|
— |
448,500,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Assets | — | — | — |
814,000,000
EUR
|
— |
863,400,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||
| Equity [abstract] | |||||||||||||||
| Issued capital | — | — | — |
72,900,000
EUR
|
— |
72,900,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — |
207,100,000
EUR
|
— |
173,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Other reserves | — | — | — |
5,000,000
EUR
|
— |
14,800,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity |
72,900,000
EUR
|
3,500,000
EUR
|
207,100,000
EUR
|
275,000,000
EUR
|
1,500,000
EUR
|
260,700,000
EUR
|
173,000,000
EUR
|
72,900,000
EUR
|
5,500,000
EUR
|
9,300,000
EUR
|
207,700,000
EUR
|
131,500,000
EUR
|
4,000,000
EUR
|
700,000
EUR
|
72,900,000
EUR
|
| Liabilities [abstract] | |||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||
| Non-current provisions | — | — | — |
4,900,000
EUR
|
— |
5,800,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — |
6,900,000
EUR
|
— |
7,300,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — |
269,700,000
EUR
|
— |
345,700,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||
| Current provisions [abstract] | |||||||||||||||
| Current provisions | — | — | — |
14,100,000
EUR
|
— |
12,100,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Current tax liabilities, current | — | — | — |
7,800,000
EUR
|
— |
10,800,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — |
269,300,000
EUR
|
— |
257,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — |
539,000,000
EUR
|
— |
602,700,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — |
814,000,000
EUR
|
— |
863,400,000
EUR
|
— | — | — | — | — | — | — | — | — |