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] | |||||
| Interest paid, classified as operating activities | — |
3,700,000
EUR
|
— |
1,600,000
EUR
|
— |
| Interest received, classified as operating activities | — |
300,000
EUR
|
— |
100,000
EUR
|
— |
| Income taxes paid (refund), classified as operating activities | — |
4,100,000
EUR
|
— |
6,400,000
EUR
|
— |
| Cash flows from (used in) operating activities | — |
50,800,000
EUR
|
— |
56,100,000
EUR
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||
| Other cash receipts from sales of equity or debt instruments of other entities, classified as investing activities | — |
3,400,000
EUR
|
— |
-
EUR
|
— |
| Proceeds from sales of other long-term assets, classified as investing activities | — |
16,600,000
EUR
|
— |
-
EUR
|
— |
| Dividends received, classified as investing activities | — |
200,000
EUR
|
— |
200,000
EUR
|
— |
| Interest received, classified as investing activities | — |
900,000
EUR
|
— |
900,000
EUR
|
— |
| Cash flows from (used in) investing activities | — |
15,900,000
EUR
|
— |
5,600,000
EUR
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||
| Repayments of borrowings, classified as financing activities | — |
6,600,000
EUR
|
— |
6,500,000
EUR
|
— |
| Payments of lease liabilities, classified as financing activities | — |
6,200,000
EUR
|
— |
3,700,000
EUR
|
— |
| Dividends paid, classified as financing activities | — |
27,100,000
EUR
|
— |
15,200,000
EUR
|
— |
| Cash flows from (used in) financing activities | — |
59,900,000
EUR
|
— |
14,600,000
EUR
|
— |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
6,800,000
EUR
|
— |
65,100,000
EUR
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||
| Effect of exchange rate changes on cash and cash equivalents | — |
1,700,000
EUR
|
— |
1,400,000
EUR
|
— |
| Cash and cash equivalents |
168,900,000
EUR
|
— |
130,700,000
EUR
|
— |
64,200,000
EUR
|