Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
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 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||||||||
| Property, plant and equipment [abstract] | ||||||||
| Property, plant and equipment | — |
160,763,000
EUR
|
120,687,000
EUR
|
— | — | — | — | — |
| Intangible assets and goodwill [abstract] | ||||||||
| Intangible assets other than goodwill [abstract] | ||||||||
| Intangible assets other than goodwill | — |
76,549,000
EUR
|
70,094,000
EUR
|
— | — | — | — | — |
| Goodwill | — |
76,467,000
EUR
|
62,409,000
EUR
|
— | — | — | — | — |
| Trade and other non-current receivables [abstract] | ||||||||
| Trade and other non-current receivables | — |
13,795,000
EUR
|
17,534,000
EUR
|
— | — | — | — | — |
| Trade and other current receivables [abstract] | ||||||||
| Current trade receivables | — |
101,925,000
EUR
|
78,135,000
EUR
|
— | — | — | — | — |
| Classes of current inventories [abstract] | ||||||||
| Current inventories | — |
55,075,000
EUR
|
43,692,000
EUR
|
— | — | — | — | — |
| Classes of current inventories, alternative [abstract] | ||||||||
| Cash and cash equivalents [abstract] | ||||||||
| Cash and cash equivalents |
132,717,000
EUR
|
132,717,000
EUR
|
191,393,000
EUR
|
0
EUR
|
191,393,000
EUR
|
39,782,000
EUR
|
25,431,000
EUR
|
65,213,000
EUR
|
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners [abstract] | ||||||||
| Non-current assets or disposal groups classified as held for sale | — |
0
EUR
|
0
EUR
|
— | — | — | — | — |
| Classes of other provisions [abstract] | ||||||||
| Other provisions [abstract] | ||||||||
| Other non-current provisions | — |
28,479,000
EUR
|
31,148,000
EUR
|
— | — | — | — | — |
| Other current provisions | — |
1,252,000
EUR
|
0
EUR
|
— | — | — | — | — |
| Trade and other non-current payables [abstract] | ||||||||
| Other non-current payables | — |
972,000
EUR
|
982,000
EUR
|
— | — | — | — | — |
| Trade and other current payables [abstract] | ||||||||
| Current trade payables | — |
87,844,000
EUR
|
70,068,000
EUR
|
— | — | — | — | — |
| Current accruals and current deferred income including current contract liabilities [abstract] | ||||||||
| Current deferred income including current contract liabilities [abstract] | ||||||||
| Current contract liabilities [abstract] | ||||||||
| Current contract liabilities | — |
9,577,000
EUR
|
8,037,000
EUR
|
— | — | — | — | — |
| Other current payables | — |
32,181,000
EUR
|
44,955,000
EUR
|
— | — | — | — | — |
| Categories of non-current financial liabilities [abstract] | ||||||||
| Non-current financial liabilities | — |
46,218,000
EUR
|
23,082,000
EUR
|
— | — | — | — | — |
| Categories of current financial liabilities [abstract] | ||||||||
| Current financial liabilities | — |
12,116,000
EUR
|
6,415,000
EUR
|
— | — | — | — | — |
| Issued capital [abstract] | ||||||||
| Issued capital | — |
141,515,000
EUR
|
140,577,000
EUR
|
— | — | — | — | — |
| Retained earnings [abstract] | ||||||||
| Retained earnings | — |
162,491,000
EUR
|
160,974,000
EUR
|
— | — | — | — | — |
| Net assets (liabilities) [abstract] | ||||||||
| Assets | — |
701,670,000
EUR
|
659,954,000
EUR
|
— | — | — | — | — |
| Net current assets (liabilities) [abstract] | ||||||||
| Current assets | — |
306,799,000
EUR
|
339,907,000
EUR
|
— | — | — | — | — |
| Current liabilities | — |
144,493,000
EUR
|
131,256,000
EUR
|
— | — | — | — | — |
| Assets less current liabilities [abstract] |