Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||||
| Investments accounted for using equity method [abstract] | |||||
| Investments accounted for using equity method |
9 819
EUR
|
7 499
EUR
|
7 499
EUR
|
— | — |
| Miscellaneous non-current assets [abstract] | |||||
| Non-current derivative financial assets |
6 905
EUR
|
-
EUR
|
-
EUR
|
— | — |
| Non-current investments other than investments accounted for using equity method |
2 548 581
EUR
|
2 203 631
EUR
|
2 203 631
EUR
|
— | — |
| Other non-current assets |
4 304
EUR
|
4 039
EUR
|
3 724
EUR
|
— | — |
| Trade and other current receivables [abstract] | |||||
| Current trade receivables |
98 602
EUR
|
65 183
EUR
|
64 844
EUR
|
— | — |
| Cash and cash equivalents [abstract] | |||||
| Cash and cash equivalents |
1 013 554
EUR
|
671 532
EUR
|
671 052
EUR
|
1 175 429
EUR
|
1 175 429
EUR
|
| Miscellaneous current assets [abstract] | |||||
| Current investments |
136 602
EUR
|
303 966
EUR
|
303 966
EUR
|
— | — |
| Borrowings [abstract] | |||||
| Non-current portion of non-current borrowings |
1 292 545
EUR
|
997 491
EUR
|
997 491
EUR
|
— | — |
| Current borrowings and current portion of non-current borrowings [abstract] | |||||
| Current borrowings |
7 981
EUR
|
1 048
EUR
|
1 048
EUR
|
— | — |
| Non-current portion of non-current borrowings, by type [abstract] | |||||
| Trade and other current payables [abstract] | |||||
| Current trade payables |
35 502
EUR
|
46 807
EUR
|
46 551
EUR
|
— | — |
| Miscellaneous non-current liabilities [abstract] | |||||
| Non-current derivative financial liabilities |
-
EUR
|
467,000
EUR
|
467,000
EUR
|
— | — |
| Other non-current liabilities |
23 447
EUR
|
27 747
EUR
|
23 918
EUR
|
— | — |
| Miscellaneous current liabilities [abstract] | |||||
| Other current liabilities |
46 213
EUR
|
45 998
EUR
|
44 078
EUR
|
— | — |
| Issued capital [abstract] | |||||
| Issued capital |
2 103 820
EUR
|
2 102 317
EUR
|
1 634 317
EUR
|
— | — |
| Miscellaneous equity [abstract] | |||||
| Additional paid-in capital |
1 525 441
EUR
|
1 820 442
EUR
|
1 144 831
EUR
|
— | — |
| Net assets (liabilities) [abstract] | |||||
| Assets |
4 613 550
EUR
|
4 024 975
EUR
|
4 018 449
EUR
|
— | — |
| Net current assets (liabilities) [abstract] | |||||
| Current assets |
1 388 431
EUR
|
1 142 047
EUR
|
1 140 931
EUR
|
— | — |
| Current liabilities |
164 208
EUR
|
144 191
EUR
|
136 685
EUR
|
— | — |
| Assets less current liabilities [abstract] |