Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
26,241,000
EUR
|
22,220,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
70,478,000
EUR
|
117,475,000
EUR
|
— |
| Goodwill |
192,294,000
EUR
|
192,294,000
EUR
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Non-current investments other than investments accounted for using equity method |
17,982,000
EUR
|
8,733,000
EUR
|
— |
| Trade and other current receivables [abstract] | |||
| Current trade receivables |
56,179,000
EUR
|
79,661,000
EUR
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | |||
| Current accrued income including current contract assets [abstract] | |||
| Current contract assets |
67,311,000
EUR
|
58,313,000
EUR
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
19,585,000
EUR
|
26,146,000
EUR
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
205,820,000
EUR
|
231,520,000
EUR
|
213,941,000
EUR
|
| Miscellaneous current assets [abstract] | |||
| Current prepayments and other current assets |
25,429,000
EUR
|
26,765,000
EUR
|
— |
| Trade and other current payables [abstract] | |||
| Current trade payables |
14,022,000
EUR
|
21,998,000
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 |
19,782,000
EUR
|
19,084,000
EUR
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Current accrued expenses and other current liabilities |
54,919,000
EUR
|
49,773,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
890,740,000
EUR
|
978,019,000
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
529,373,000
EUR
|
570,285,000
EUR
|
— |
| Current liabilities |
290,967,000
EUR
|
280,451,000
EUR
|
— |
| Assets less current liabilities [abstract] |