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 |
1,804,302,000
EUR
|
1,873,286,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
29,418,000
EUR
|
27,238,000
EUR
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments accounted for using equity method |
50,000
EUR
|
50,000
EUR
|
— |
| Trade and other non-current receivables [abstract] | |||
| Other non-current receivables |
18,691,000
EUR
|
21,496,000
EUR
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Other non-current assets |
16,756,000
EUR
|
11,199,000
EUR
|
— |
| Trade and other current receivables [abstract] | |||
| Trade and other current receivables |
93,521,000
EUR
|
102,056,000
EUR
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
52,711,000
EUR
|
50,443,000
EUR
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
1,091,543,000
EUR
|
1,068,227,000
EUR
|
1,070,708,000
EUR
|
| Miscellaneous current assets [abstract] | |||
| Current finance lease receivables |
0
EUR
|
1,644,000
EUR
|
— |
| Current investments |
31,672,000
EUR
|
32,998,000
EUR
|
— |
| Other current assets |
25,694,000
EUR
|
23,118,000
EUR
|
— |
| Classes of other provisions [abstract] | |||
| Other provisions [abstract] | |||
| Other non-current provisions |
1,182,000
EUR
|
3,939,000
EUR
|
— |
| Other current provisions |
0
EUR
|
291,000
EUR
|
— |
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
1,025,275,000
EUR
|
1,070,311,000
EUR
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings and current portion of non-current borrowings |
56,346,000
EUR
|
55,336,000
EUR
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Current borrowings and current portion of non-current borrowings, by type [abstract] | |||
| Trade and other current payables [abstract] | |||
| Trade and other current payables |
108,959,000
EUR
|
118,956,000
EUR
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Non-current net defined benefit liability |
45,779,000
EUR
|
48,455,000
EUR
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Current net defined benefit liability |
3,293,000
EUR
|
3,508,000
EUR
|
— |
| Other current liabilities |
43,922,000
EUR
|
46,109,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
3,310,096,000
EUR
|
3,358,616,000
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
1,303,498,000
EUR
|
1,285,557,000
EUR
|
— |
| Current liabilities |
387,904,000
EUR
|
447,570,000
EUR
|
— |
| Assets less current liabilities [abstract] |