Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
33,272,000
EUR
|
29,884,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
81,218,000
EUR
|
68,746,000
EUR
|
— |
| Goodwill |
45,746,000
EUR
|
45,170,000
EUR
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Non-current investments other than investments accounted for using equity method | — | — | — |
| Long-term deposits |
-
EUR
|
25,000,000
EUR
|
— |
| Other non-current assets |
1,213,000
EUR
|
1,051,000
EUR
|
— |
| Trade and other current receivables [abstract] | |||
| Current trade receivables |
148,333,000
EUR
|
174,942,000
EUR
|
— |
| Current prepayments and current accrued income other than current contract assets [abstract] | |||
| Current prepayments [abstract] | |||
| Current prepayments |
2,909,000
EUR
|
3,024,000
EUR
|
— |
| Other current receivables |
18,099,000
EUR
|
13,546,000
EUR
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | |||
| Classes of current inventories [abstract] | |||
| Current inventories |
92,117,000
EUR
|
94,399,000
EUR
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
491,686,000
EUR
|
451,395,000
EUR
|
375,406,000
EUR
|
| Miscellaneous current assets [abstract] | |||
| Current investments | — | — | — |
| Short-term deposits, not classified as cash equivalents |
180,000,000
EUR
|
195,789,000
EUR
|
— |
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
322,815,000
EUR
|
301,802,000
EUR
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current portion of non-current borrowings |
2,361,000
EUR
|
-
EUR
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Trade and other current payables [abstract] | |||
| Current trade payables |
41,431,000
EUR
|
74,711,000
EUR
|
— |
| Other current payables |
42,461,000
EUR
|
44,545,000
EUR
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Other non-current liabilities |
927,000
EUR
|
980,000
EUR
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Other current liabilities |
26,988,000
EUR
|
29,570,000
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
811,000
EUR
|
786,000
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
219,389,000
EUR
|
261,211,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
1,135,190,000
EUR
|
1,144,041,000
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
936,698,000
EUR
|
936,148,000
EUR
|
— |
| Current liabilities |
143,891,000
EUR
|
187,578,000
EUR
|
— |
| Assets less current liabilities [abstract] |