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 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 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 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] | ||||||||||||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||||||||||||
| Property, plant and equipment |
95,000,000
EUR
|
— | — | — | — | — | — |
96,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
13,100,000
EUR
|
— | — | — | — | — | — |
11,900,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other non-current receivables |
1,300,000
EUR
|
— | — | — | — | — | — |
1,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
7,800,000
EUR
|
— | — | — | — | — | — |
9,500,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets |
181,100,000
EUR
|
— | — | — | — | — | — |
191,100,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||||||||||||
| Current inventories |
58,800,000
EUR
|
— | — | — | — | — | — |
61,600,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current receivables |
85,500,000
EUR
|
— | — | — | — | — | — |
101,700,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, current |
2,800,000
EUR
|
— | — | — | — | — | — |
3,100,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
90,300,000
EUR
|
— | — | — | — | — | — |
55,500,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
77,900,000
EUR
|
— | — | — | — | — | — | — | — |
| Current assets |
261,700,000
EUR
|
— | — | — | — | — | — |
248,100,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
442,800,000
EUR
|
— | — | — | — | — | — |
439,200,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||||||
| Issued capital |
7,700,000
EUR
|
— | — | — | — | — | — |
7,700,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
261,300,000
EUR
|
— | — | — | — | — | — |
238,500,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Treasury shares |
4,200,000
EUR
|
— | — | — | — | — | — |
3,300,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
2,300,000
EUR
|
— | — | — | — | — | — |
3,500,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
267,900,000
EUR
|
— | — | — | — | — | — |
250,500,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
-
EUR
|
— | — | — | — | — | — |
0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
267,900,000
EUR
|
261,300,000
EUR
|
2,300,000
EUR
|
7,700,000
EUR
|
800,000
EUR
|
4,200,000
EUR
|
267,900,000
EUR
|
250,500,000
EUR
|
200,000
EUR
|
200,000
EUR
|
200,000
EUR
|
3,500,000
EUR
|
0
EUR
|
238,500,000
EUR
|
3,300,000
EUR
|
7,700,000
EUR
|
4,100,000
EUR
|
250,500,000
EUR
|
229,400,000
EUR
|
4,600,000
EUR
|
217,700,000
EUR
|
218,000,000
EUR
|
7,000,000
EUR
|
7,700,000
EUR
|
7,000,000
EUR
|
230,300,000
EUR
|
229,600,000
EUR
|
700,000
EUR
|
1,700,000
EUR
|
7,700,000
EUR
|
4,600,000
EUR
|
700,000
EUR
|
1,700,000
EUR
|
230,100,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||||||||||||||||||
| Non-current provisions for employee benefits |
2,300,000
EUR
|
— | — | — | — | — | — |
2,700,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current provisions |
400,000
EUR
|
— | — | — | — | — | — |
300,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
2,900,000
EUR
|
— | — | — | — | — | — |
4,500,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
69,000,000
EUR
|
— | — | — | — | — | — |
17,900,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||||||||||||||||||
| Current provisions |
2,500,000
EUR
|
— | — | — | — | — | — |
2,800,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current payables |
66,500,000
EUR
|
— | — | — | — | — | — |
74,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current |
3,300,000
EUR
|
— | — | — | — | — | — |
1,800,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities |
105,900,000
EUR
|
— | — | — | — | — | — |
170,800,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
175,000,000
EUR
|
— | — | — | — | — | — |
188,700,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
442,800,000
EUR
|
— | — | — | — | — | — |
439,200,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |