Statement Of Cash Flows [Abstract]
| Concept |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||
| Cash flows from (used in) operating activities [abstract] | |||||
| Cash flows from (used in) operations | — |
230,763,000
EUR
|
— |
309,602,000
EUR
|
— |
| Income taxes paid (refund), classified as operating activities | — |
12,172,000
EUR
|
— |
10,176,000
EUR
|
— |
| Cash flows from (used in) operating activities | — |
218,591,000
EUR
|
— |
299,426,000
EUR
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
45,000
EUR
|
— |
330,000
EUR
|
— |
| Purchase of property, plant and equipment, classified as investing activities | — |
118,910,000
EUR
|
— |
76,787,000
EUR
|
— |
| Purchase of intangible assets, classified as investing activities | — |
7,134,000
EUR
|
— |
7,509,000
EUR
|
— |
| Dividends received, classified as investing activities | — |
934,000
EUR
|
— |
2,449,000
EUR
|
— |
| Interest received, classified as investing activities | — |
535,000
EUR
|
— |
559,000
EUR
|
— |
| Cash flows from (used in) investing activities | — |
115,590,000
EUR
|
— |
78,863,000
EUR
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||
| Payments from changes in ownership interests in subsidiaries that do not result in loss of control | — |
40,814,000
EUR
|
— |
21,795,000
EUR
|
— |
| Payments to acquire or redeem entity's shares | — |
3,230,000
EUR
|
— |
8,816,000
EUR
|
— |
| Payments of lease liabilities, classified as financing activities | — |
16,309,000
EUR
|
— |
15,967,000
EUR
|
— |
| Dividends paid, classified as financing activities | — |
31,985,000
EUR
|
— |
17,615,000
EUR
|
— |
| Interest paid, classified as financing activities | — |
36,153,000
EUR
|
— |
49,917,000
EUR
|
— |
| Cash flows from (used in) financing activities | — |
232,916,000
EUR
|
— |
94,865,000
EUR
|
— |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
129,915,000
EUR
|
— |
125,698,000
EUR
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||
| Effect of exchange rate changes on cash and cash equivalents | — |
3,359,000
EUR
|
— |
9,648,000
EUR
|
— |
| Cash and cash equivalents |
79,882,000
EUR
|
— |
206,438,000
EUR
|
— |
90,388,000
EUR
|