Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2024-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
1.408.238
EUR
|
1.332.557
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
68,443
EUR
|
69,762
EUR
|
— |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements [abstract] | |||
| Investments in subsidiaries reported in separate financial statements |
−
EUR
|
−
EUR
|
— |
| Investments in joint ventures reported in separate financial statements |
1,000
EUR
|
4,164
EUR
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Non-current derivative financial assets |
13,858
EUR
|
17,810
EUR
|
— |
| Non-current investments other than investments accounted for using equity method |
4,050
EUR
|
5,268
EUR
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | |||
| Current accrued income including current contract assets [abstract] | |||
| Current contract assets |
27,610
EUR
|
44,179
EUR
|
— |
| Trade and other receivables [abstract] | |||
| Trade receivables |
27,248
EUR
|
78,825
EUR
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
10,822
EUR
|
9,632
EUR
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
241,111
EUR
|
248,027
EUR
|
391,896
EUR
|
| Miscellaneous current assets [abstract] | |||
| Current derivative financial assets |
2,550
EUR
|
5,650
EUR
|
— |
| Current investments |
3,923
EUR
|
7,549
EUR
|
— |
| Current prepayments and other current assets |
118,823
EUR
|
131,748
EUR
|
— |
| Classes of other provisions [abstract] | |||
| Other provisions [abstract] | |||
| Other non-current provisions |
23,124
EUR
|
19,253
EUR
|
— |
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
967,118
EUR
|
1.054.264
EUR
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings |
40,609
EUR
|
−
EUR
|
— |
| Current portion of non-current borrowings |
99,800
EUR
|
112,848
EUR
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| 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 |
2,536
EUR
|
2,646
EUR
|
— |
| Non-current deferred income other than non-current contract liabilities | — | — | — |
| Non-current government grants |
159,020
EUR
|
162,812
EUR
|
— |
| Trade and other current payables [abstract] | |||
| 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 |
8,328
EUR
|
8,778
EUR
|
— |
| Trade and other current payables |
38,220
EUR
|
62,664
EUR
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Non-current derivative financial liabilities |
11,729
EUR
|
9,655
EUR
|
— |
| Other non-current liabilities |
11,402
EUR
|
10,558
EUR
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Current derivative financial liabilities |
5,658
EUR
|
7,933
EUR
|
— |
| Current accrued expenses and other current liabilities |
30,255
EUR
|
29,822
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
35,507
EUR
|
35,432
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
172,815
EUR
|
184,141
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
1.990.859
EUR
|
2.078.832
EUR
|
— |
| Liabilities |
1.501.823
EUR
|
1.572.626
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
435,134
EUR
|
530,377
EUR
|
— |
| Current liabilities |
236,925
EUR
|
231,509
EUR
|
— |
| Assets less current liabilities [abstract] |