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 | — |
291,823,000
EUR
|
— |
178,165,000
EUR
|
— |
| Interest paid, classified as operating activities | — |
4,567,000
EUR
|
— |
5,143,000
EUR
|
— |
| Interest received, classified as operating activities | — |
249,000
EUR
|
— |
79,000
EUR
|
— |
| Cash flows from (used in) operating activities | — |
277,854,000
EUR
|
— |
162,021,000
EUR
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||
| Proceeds from sales of property, plant and equipment, classified as investing activities | — |
54,000
EUR
|
— |
345,000
EUR
|
— |
| Cash flows from (used in) investing activities | — |
24,845,000
EUR
|
— |
115,438,000
EUR
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||
| Payments to acquire or redeem entity's shares | — |
50,096,000
EUR
|
— |
17,781,000
EUR
|
— |
| Payments of lease liabilities, classified as financing activities | — |
3,638,000
EUR
|
— |
3,700,000
EUR
|
— |
| Dividends paid, classified as financing activities | — |
129,357,000
EUR
|
— |
73,486,000
EUR
|
— |
| Cash flows from (used in) financing activities | — |
182,070,000
EUR
|
— |
51,848,000
EUR
|
— |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
70,939,000
EUR
|
— |
98,431,000
EUR
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||
| Effect of exchange rate changes on cash and cash equivalents | — |
5,050,000
EUR
|
— |
1,423,000
EUR
|
— |
| Cash and cash equivalents |
451,395,000
EUR
|
— |
375,406,000
EUR
|
— |
278,398,000
EUR
|