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 |
21,645,000
EUR
|
26,241,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
42,917,000
EUR
|
70,478,000
EUR
|
— |
| Goodwill |
192,294,000
EUR
|
192,294,000
EUR
|
— |
| Trade and other current receivables [abstract] | |||
| Current trade receivables |
65,743,000
EUR
|
56,179,000
EUR
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | |||
| Current accrued income including current contract assets [abstract] | |||
| Current contract assets |
48,298,000
EUR
|
67,311,000
EUR
|
— |
| Categories of non-current financial assets [abstract] | |||
| Non-current financial assets at fair value through other comprehensive income [abstract] | |||
| Non-current investments in equity instruments designated at fair value through other comprehensive income |
13,814,000
EUR
|
17,982,000
EUR
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
14,660,000
EUR
|
19,585,000
EUR
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
132,729,000
EUR
|
205,820,000
EUR
|
231,520,000
EUR
|
| Miscellaneous current assets [abstract] | |||
| Current investments | — | — | — |
| Short-term deposits, not classified as cash equivalents |
171,000,000
EUR
|
150,000,000
EUR
|
— |
| Current prepayments and other current assets |
36,803,000
EUR
|
25,429,000
EUR
|
— |
| Trade and other non-current payables [abstract] | |||
| Non-current accruals and non-current deferred income including non-current contract liabilities [abstract] | |||
| Non-current deferred income including non-current contract liabilities [abstract] | |||
| Non-current contract liabilities [abstract] | |||
| Non-current contract liabilities |
263,043,000
EUR
|
259,628,000
EUR
|
— |
| Trade and other current payables [abstract] | |||
| Current trade payables |
6,102,000
EUR
|
14,022,000
EUR
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Current accrued expenses and other current liabilities |
71,705,000
EUR
|
54,919,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
807,503,000
EUR
|
890,740,000
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
476,123,000
EUR
|
529,373,000
EUR
|
— |
| Current liabilities |
297,559,000
EUR
|
290,967,000
EUR
|
— |
| Assets less current liabilities [abstract] |