Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
233,800,000
EUR
|
168. 9
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
17 6.5
EUR
|
17 4.6
EUR
|
— |
| Investment property [abstract] | |||
| Investment property completed |
12,039 .2
EUR
|
10, 124.2
EUR
|
— |
| Investment property under construction or development |
1,359 .6
EUR
|
1, 193.3
EUR
|
— |
| Trade and other non-current receivables [abstract] | |||
| Non-current receivables due from related parties |
600,000
EUR
|
45,200,000
EUR
|
— |
| Trade and other non-current receivables |
2 4 .1
EUR
|
18,000,000
EUR
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Non-current derivative financial assets |
10,600,000
EUR
|
9. 2
EUR
|
— |
| Trade and other current receivables [abstract] | |||
| Current receivables due from related parties |
0 .9
EUR
|
300,000
EUR
|
— |
| Trade and other current receivables |
266,600,000
EUR
|
235,600,000
EUR
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | |||
| Current accrued income including current contract assets [abstract] | |||
| Current contract assets |
8,500,000
EUR
|
3,400,000
EUR
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
690,600,000
EUR
|
6 60.6
EUR
|
892,800,000
EUR
|
| Miscellaneous current assets [abstract] | |||
| Current derivative financial assets |
38. 1
EUR
|
41 .9
EUR
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Non-current portion of non-current loans received |
3,328,200,000
EUR
|
1,868. 1
EUR
|
— |
| Non-current portion of non-current bonds issued |
3,571,300,000
EUR
|
3,563,800,000
EUR
|
— |
| Current borrowings and current portion of non-current borrowings, by type [abstract] | |||
| Current loans received and current portion of non-current loans received |
50,000,000
EUR
|
24 .7
EUR
|
— |
| Current bonds issued and current portion of non-current bonds issued |
18,700,000
EUR
|
417 .6
EUR
|
— |
| Trade and other non-current payables [abstract] | |||
| Trade and other non-current payables |
147 .5
EUR
|
104,000,000
EUR
|
— |
| Trade and other current payables [abstract] | |||
| Current payables to related parties |
300,000
EUR
|
EUR
|
— |
| Trade and other current payables |
366. 9
EUR
|
320. 9
EUR
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Non-current derivative financial liabilities |
10,600,000
EUR
|
2,000,000
EUR
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Current derivative financial liabilities |
17 .0
EUR
|
12,700,000
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
71,700,000
EUR
|
71. 1
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
3,026. 1
EUR
|
2, 100.8
EUR
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Revaluation surplus |
29,000,000
EUR
|
18,400,000
EUR
|
— |
| Reserve of exchange differences on translation |
2 .1
EUR
|
4,500,000
EUR
|
— |
| Reserve of cash flow hedges |
0 .1
EUR
|
23,700,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
14,873,200,000
EUR
|
12,699 .8
EUR
|
— |
| Liabilities |
8,706,300,000
EUR
|
7 ,278.8
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
1,014. 1
EUR
|
948,000,000
EUR
|
— |
| Current liabilities |
481,300,000
EUR
|
792,400,000
EUR
|
— |
| Assets less current liabilities [abstract] |