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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||
| Property, plant and equipment |
131,600,000
EUR
|
— | — | — | — | — | — | — | — | — |
121,900,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
19,700,000
EUR
|
— | — | — | — | — | — | — | — | — |
18,300,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial assets |
400,000
EUR
|
— | — | — | — | — | — | — | — | — |
400,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets |
278,500,000
EUR
|
— | — | — | — | — | — | — | — | — |
324,500,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||
| Current inventories |
85,100,000
EUR
|
— | — | — | — | — | — | — | — | — |
79,700,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current receivables |
70,500,000
EUR
|
— | — | — | — | — | — | — | — | — |
65,300,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, current |
2,800,000
EUR
|
— | — | — | — | — | — | — | — | — |
2,700,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
37,800,000
EUR
|
— | — | — | — | — | — | — | — | — |
18,600,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets |
198,100,000
EUR
|
— | — | — | — | — | — | — | — | — |
166,300,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
476,600,000
EUR
|
— | — | — | — | — | — | — | — | — |
490,800,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||
| Issued capital |
30,200,000
EUR
|
— | — | — | — | — | — | — | — | — |
29,900,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
46,300,000
EUR
|
— | — | — | — | — | — | — | — | — |
14,400,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium |
38,400,000
EUR
|
— | — | — | — | — | — | — | — | — |
45,800,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
152,700,000
EUR
|
— | — | — | — | — | — | — | — | — |
132,900,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
175,000,000
EUR
|
38,400,000
EUR
|
46,300,000
EUR
|
1,800,000
EUR
|
30,200,000
EUR
|
9,400,000
EUR
|
143,300,000
EUR
|
1,800,000
EUR
|
1,900,000
EUR
|
14,400,000
EUR
|
223,000,000
EUR
|
200,000
EUR
|
127,000,000
EUR
|
45,800,000
EUR
|
7,600,000
EUR
|
29,900,000
EUR
|
4,300,000
EUR
|
100,000
EUR
|
29,900,000
EUR
|
200,000
EUR
|
3,400,000
EUR
|
51,700,000
EUR
|
203,400,000
EUR
|
121,000,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||||||||
| Non-current provisions for employee benefits |
10,700,000
EUR
|
— | — | — | — | — | — | — | — | — |
14,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current provisions |
700,000
EUR
|
— | — | — | — | — | — | — | — | — |
900,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
17,500,000
EUR
|
— | — | — | — | — | — | — | — | — |
17,700,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
195,500,000
EUR
|
— | — | — | — | — | — | — | — | — |
169,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||||||||
| Other current provisions |
1,300,000
EUR
|
— | — | — | — | — | — | — | — | — |
1,200,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current payables |
78,300,000
EUR
|
— | — | — | — | — | — | — | — | — |
74,300,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current |
10,300,000
EUR
|
— | — | — | — | — | — | — | — | — |
6,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities |
106,100,000
EUR
|
— | — | — | — | — | — | — | — | — |
98,800,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
301,600,000
EUR
|
— | — | — | — | — | — | — | — | — |
267,800,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
476,600,000
EUR
|
— | — | — | — | — | — | — | — | — |
490,800,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |