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 |
939,600,000
EUR
|
1,080,200,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
51,100,000
EUR
|
61,200,000
EUR
|
— |
| Goodwill |
480,900,000
EUR
|
510,500,000
EUR
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments in associates accounted for using equity method |
4,800,000
EUR
|
5,100,000
EUR
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Non-current net defined benefit asset |
106,300,000
EUR
|
78,400,000
EUR
|
— |
| Trade and other current receivables [abstract] | |||
| Trade and other current receivables |
468,200,000
EUR
|
603,700,000
EUR
|
— |
| Categories of non-current financial assets [abstract] | |||
| Non-current loans and receivables |
7,900,000
EUR
|
31,000,000
EUR
|
— |
| Non-current financial assets at fair value through other comprehensive income [abstract] | |||
| Non-current financial assets measured at fair value through other comprehensive income |
305,400,000
EUR
|
383,300,000
EUR
|
— |
| Categories of current financial assets [abstract] | |||
| Current loans and receivables |
300,000
EUR
|
300,000
EUR
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
281,800,000
EUR
|
433,700,000
EUR
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
402,500,000
EUR
|
250,600,000
EUR
|
142,400,000
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 |
255,600,000
EUR
|
21,300,000
EUR
|
— |
| Trade and other current payables [abstract] | |||
| Trade and other current payables |
489,400,000
EUR
|
635,200,000
EUR
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Non-current net defined benefit liability |
69,800,000
EUR
|
66,900,000
EUR
|
— |
| Other non-current liabilities |
10,800,000
EUR
|
9,400,000
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
221,800,000
EUR
|
221,800,000
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
890,900,000
EUR
|
764,500,000
EUR
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Reserve of exchange differences on translation |
53,800,000
EUR
|
36,000,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
3,489,300,000
EUR
|
3,651,100,000
EUR
|
— |
| Liabilities |
1,700,300,000
EUR
|
1,965,800,000
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current liabilities |
884,900,000
EUR
|
894,900,000
EUR
|
— |
| Assets less current liabilities [abstract] |