Statement Of Financial Position [Abstract]
| Concept |
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 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||
| Property, plant and equipment | — |
26,241,000
EUR
|
— | — | — | — |
22,220,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — |
192,294,000
EUR
|
— | — | — | — |
192,294,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — |
70,478,000
EUR
|
— | — | — | — |
117,475,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — |
4,115,000
EUR
|
— | — | — | — |
4,273,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — |
361,367,000
EUR
|
— | — | — | — |
407,734,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||
| Current inventories | — |
19,585,000
EUR
|
— | — | — | — |
26,146,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — |
205,820,000
EUR
|
— | — | — | — |
231,520,000
EUR
|
— | — | — | — | — | — | — |
213,941,000
EUR
|
— | — | — |
| Current assets | — |
529,373,000
EUR
|
— | — | — | — |
570,285,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Assets | — |
890,740,000
EUR
|
— | — | — | — |
978,019,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Equity attributable to owners of parent | — |
282,723,000
EUR
|
— | — | — | — |
387,616,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity |
40,746,000
EUR
|
282,723,000
EUR
|
140,300,000
EUR
|
99,172,000
EUR
|
338,124,000
EUR
|
26,473,000
EUR
|
387,616,000
EUR
|
26,473,000
EUR
|
90,267,000
EUR
|
14,312,000
EUR
|
127,598,000
EUR
|
338,124,000
EUR
|
120,265,000
EUR
|
188,508,000
EUR
|
665,932,000
EUR
|
7,438,000
EUR
|
338,124,000
EUR
|
26,473,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||
| Non-current provisions | — |
33,484,000
EUR
|
— | — | — | — |
41,014,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — |
3,934,000
EUR
|
— | — | — | — |
1,344,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — |
317,050,000
EUR
|
— | — | — | — |
309,952,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||
| Current provisions | — |
6,537,000
EUR
|
— | — | — | — |
7,918,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current | — |
1,273,000
EUR
|
— | — | — | — |
1,893,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — |
290,967,000
EUR
|
— | — | — | — |
280,451,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — |
890,740,000
EUR
|
— | — | — | — |
978,019,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |