Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
1,902,037,000
EUR
|
2,011,209,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
23,891,000
EUR
|
28,207,000
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 |
9,144,000
EUR
|
4,144,000
EUR
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Non-current finance lease receivables |
2,094,000
EUR
|
2,697,000
EUR
|
— |
| Other non-current assets |
15,123,000
EUR
|
3,894,000
EUR
|
— |
| Trade and other current receivables [abstract] | |||
| Trade and other current receivables |
90,446,000
EUR
|
71,000,000
EUR
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
39,042,000
EUR
|
26,378,000
EUR
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
366,931,000
EUR
|
377,359,000
EUR
|
369,005,000
EUR
|
| Miscellaneous current assets [abstract] | |||
| Current finance lease receivables |
601,000
EUR
|
601,000
EUR
|
— |
| Current investments |
45,740,000
EUR
|
39,458,000
EUR
|
— |
| Other current assets |
15,773,000
EUR
|
13,961,000
EUR
|
— |
| Classes of other provisions [abstract] | |||
| Other provisions [abstract] | |||
| Other non-current provisions |
4,246,000
EUR
|
4,465,000
EUR
|
— |
| Other current provisions |
3,069,000
EUR
|
875,000
EUR
|
— |
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
1,162,091,000
EUR
|
1,208,055,000
EUR
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings and current portion of non-current borrowings |
57,432,000
EUR
|
58,186,000
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 |
73,307,000
EUR
|
73,950,000
EUR
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Other current liabilities |
3,247,000
EUR
|
2,794,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
2,634,514,000
EUR
|
2,730,039,000
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
560,006,000
EUR
|
533,865,000
EUR
|
— |
| Current liabilities |
219,367,000
EUR
|
271,751,000
EUR
|
— |
| Assets less current liabilities [abstract] |