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 |
491,300,000
EUR
|
468,900,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
38,100,000
EUR
|
34,200,000
EUR
|
— |
| Goodwill |
—
EUR
|
4,600,000
EUR
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Other non-current assets |
4,600,000
EUR
|
9,000,000
EUR
|
— |
| Trade and other current receivables [abstract] | |||
| Current trade receivables |
161,300,000
EUR
|
216,300,000
EUR
|
— |
| Current receivables from taxes other than income tax | — | — | — |
| Current value added tax receivables |
26,500,000
EUR
|
5,800,000
EUR
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
73,000,000
EUR
|
34,500,000
EUR
|
74,500,000
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 or as held for distribution to owners |
27,200,000
EUR
|
—
EUR
|
— |
| Miscellaneous current assets [abstract] | |||
| Other current assets |
44,600,000
EUR
|
83,700,000
EUR
|
— |
| Borrowings [abstract] | |||
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings and current portion of non-current borrowings |
50,600,000
EUR
|
205,400,000
EUR
|
— |
| Current borrowings and current portion of non-current borrowings, by type [abstract] | |||
| Trade and other current payables [abstract] | |||
| Current trade payables |
104,900,000
EUR
|
159,600,000
EUR
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Other non-current liabilities |
—
EUR
|
—
EUR
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Current interest payable |
11,200,000
EUR
|
— | — |
| Net assets (liabilities) [abstract] | |||
| Assets |
1,489,500,000
EUR
|
1,612,400,000
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
830,300,000
EUR
|
979,300,000
EUR
|
— |
| Current liabilities |
328,400,000
EUR
|
508,900,000
EUR
|
— |
| Assets less current liabilities [abstract] |