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 |
885,200,000
EUR
|
775 .0
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
13,800,000
EUR
|
15,600,000
EUR
|
— |
| Goodwill |
62,300,000
EUR
|
63,200,000
EUR
|
— |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements [abstract] | |||
| Investments in associates reported in separate financial statements |
100,000
EUR
|
100,000
EUR
|
— |
| Trade and other non-current receivables [abstract] | |||
| Other non-current receivables |
1 4 .1
EUR
|
14. 4
EUR
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Non-current investments other than investments accounted for using equity method |
2,900,000
EUR
|
3 .0
EUR
|
— |
| Trade and other receivables [abstract] | |||
| Trade and other receivables |
2 73.0
EUR
|
387 .3
EUR
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
471. 7
EUR
|
529. 9
EUR
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
414. 9
EUR
|
2 59. 0
EUR
|
385,900,000
EUR
|
| Borrowings, by type [abstract] | |||
| Commercial papers issued |
500,000,000
EUR
|
— | — |
| Trade and other payables [abstract] | |||
| Trade and other payables |
306,500,000
EUR
|
344,500,000
EUR
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Other non-current liabilities |
500,000
EUR
|
0. 8
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
25. 4
EUR
|
25,400,000
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
934,300,000
EUR
|
1,343,600,000
EUR
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Reserve of exchange differences on translation |
16. 7
EUR
|
3 49. 5
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
2,325,200,000
EUR
|
2,209 .7
EUR
|
— |
| Liabilities |
97 7. 6
EUR
|
7 76.6
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
1 ,1 67.1
EUR
|
1,191,200,000
EUR
|
— |
| Current liabilities |
454. 9
EUR
|
557 .2
EUR
|
— |
| Assets less current liabilities [abstract] |