Statement Of Financial Position [Abstract]
| Concept |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||||||||
| Property, plant and equipment | — | — |
1,902,037,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,011,209,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — |
33,527,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
36,467,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — |
23,891,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
28,207,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — |
50,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
50,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Other non-current financial assets | — | — |
88,642,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
109,506,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Non-current assets | — | — |
2,074,508,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,196,174,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||||||||
| Current inventories | — | — |
39,042,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
26,378,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Trade and other current receivables | — | — |
90,446,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
71,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Current tax assets, current | — | — |
1,473,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
5,108,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — |
366,931,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
377,359,000
EUR
|
— | — | — | — | — |
369,005,000
EUR
|
— | — | — |
| Current assets | — | — |
560,006,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
533,865,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Assets | — | — |
2,634,514,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,730,039,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||
| Equity attributable to owners of parent | — | — |
639,674,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
639,038,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — |
0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
0
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity |
521,796,000
EUR
|
54,072,000
EUR
|
639,674,000
EUR
|
0
EUR
|
3,496,000
EUR
|
639,674,000
EUR
|
38,000
EUR
|
0
EUR
|
60,272,000
EUR
|
542,537,000
EUR
|
0
EUR
|
639,038,000
EUR
|
60,272,000
EUR
|
0
EUR
|
17,881,000
EUR
|
54,072,000
EUR
|
38,000
EUR
|
639,038,000
EUR
|
662,677,000
EUR
|
0
EUR
|
54,072,000
EUR
|
12,348,000
EUR
|
38,000
EUR
|
662,677,000
EUR
|
560,643,000
EUR
|
0
EUR
|
60,272,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||||||||||||
| Non-current provisions for employee benefits | — | — |
60,517,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
70,631,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Other non-current provisions | — | — |
4,246,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
4,465,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — |
147,488,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
152,546,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Other non-current financial liabilities | — | — |
3,254,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,054,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — |
1,775,473,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,819,250,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||||||||
| Current provisions [abstract] | |||||||||||||||||||||||||||
| Current provisions for employee benefits | — | — |
4,201,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
5,143,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Other current provisions | — | — |
3,069,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
875,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Trade and other current payables | — | — |
73,307,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
73,950,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Current tax liabilities, current | — | — |
2,148,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
4,146,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Current liabilities | — | — |
219,367,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
271,751,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — |
2,634,514,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,730,039,000
EUR
|
— | — | — | — | — | — | — | — | — |