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 |
93,900,000
EUR
|
350,200,000
EUR
|
3 41 .4
EUR
|
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
314. 1
EUR
|
881,200,000
EUR
|
98 0.9
EUR
|
| Investments accounted for using equity method [abstract] | |||
| Investments accounted for using equity method |
76,400,000
EUR
|
51,500,000
EUR
|
36 .6
EUR
|
| Trade and other non-current receivables [abstract] | |||
| Trade and other non-current receivables |
—
EUR
|
1,900,000
EUR
|
1 .1
EUR
|
| Miscellaneous non-current assets [abstract] | |||
| Non-current derivative financial assets |
895,000,000
EUR
|
827,800,000
EUR
|
636,400,000
EUR
|
| Other non-current assets |
147 .0
EUR
|
1 3 7. 0
EUR
|
10 9.6
EUR
|
| Trade and other current receivables [abstract] | |||
| Current trade receivables |
141,600,000
EUR
|
2 0 7 .1
EUR
|
163,900,000
EUR
|
| Other current receivables |
85,800,000
EUR
|
100,500,000
EUR
|
107,600,000
EUR
|
| Classes of current inventories [abstract] | |||
| Current inventories |
6 .9
EUR
|
6. 8
EUR
|
5,500,000
EUR
|
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
268. 1
EUR
|
516. 2
EUR
|
426,500,000
EUR
|
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners [abstract] | |||
| Non-current assets or disposal groups classified as held for sale |
1,066. 4
EUR
|
19,300,000
EUR
|
19,600,000
EUR
|
| Miscellaneous assets [abstract] | |||
| Investments other than investments accounted for using equity method |
152. 1
EUR
|
92,800,000
EUR
|
9,200,000
EUR
|
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Non-current portion of non-current bonds issued |
4 4 7. 7
EUR
|
646. 1
EUR
|
348,000,000
EUR
|
| Current borrowings and current portion of non-current borrowings, by type [abstract] | |||
| Current bonds issued and current portion of non-current bonds issued |
—
EUR
|
—
EUR
|
199,600,000
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 advances received, representing non-current contract liabilities for performance obligations satisfied at point in time |
1. 1
EUR
|
1,800,000
EUR
|
1,000,000
EUR
|
| Trade and other current payables [abstract] | |||
| Current trade payables |
61,600,000
EUR
|
66,900,000
EUR
|
61,200,000
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 advances received, representing current contract liabilities for performance obligations satisfied at point in time |
5,800,000
EUR
|
4,400,000
EUR
|
5 .0
EUR
|
| Other current payables |
210,800,000
EUR
|
217 .5
EUR
|
1 6 9 .1
EUR
|
| Miscellaneous non-current liabilities [abstract] | |||
| Other non-current liabilities |
15. 1
EUR
|
34,800,000
EUR
|
24 . 9
EUR
|
| Retained earnings [abstract] | |||
| Retained earnings |
1,206,800,000
EUR
|
1,234,500,000
EUR
|
1, 128.3
EUR
|
| Accumulated other comprehensive income [abstract] | |||
| Reserve of exchange differences on translation |
5,300,000
EUR
|
7. 4
EUR
|
300,000
EUR
|
| Miscellaneous equity [abstract] | |||
| Additional paid-in capital |
611,800,000
EUR
|
611,800,000
EUR
|
606,000,000
EUR
|
| Net assets (liabilities) [abstract] | |||
| Assets |
3,297,900,000
EUR
|
3,341. 1
EUR
|
3,039 .2
EUR
|
| Liabilities |
1,482,800,000
EUR
|
1,519. 6
EUR
|
1,321,400,000
EUR
|
| Net current assets (liabilities) [abstract] | |||
| Current assets |
1,568,800,000
EUR
|
8 49.9
EUR
|
723. 1
EUR
|
| Current liabilities |
963,400,000
EUR
|
598. 7
EUR
|
756 .4
EUR
|
| Assets less current liabilities [abstract] |