Statement Of Cash Flows [Abstract]
| Concept |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-01-01 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
As at 2019-01-01 |
|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||
| Cash flows from (used in) operating activities [abstract] | ||||||
| Income taxes paid (refund), classified as operating activities | — |
20,674,000
EUR
|
— |
23,546,000
EUR
|
— | — |
| Cash flows from (used in) operating activities | — |
104,565,000
EUR
|
— |
82,505,000
EUR
|
— | — |
| Cash flows from (used in) investing activities [abstract] | ||||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — | — |
58,468,000
EUR
|
— | — |
| Purchase of property, plant and equipment, classified as investing activities | — |
2,399,000
EUR
|
— |
1,722,000
EUR
|
— | — |
| Cash flows from (used in) investing activities | — |
2,681,000
EUR
|
— |
60,214,000
EUR
|
— | — |
| Cash flows from (used in) financing activities [abstract] | ||||||
| Payments to acquire or redeem entity's shares | — |
10,006,000
EUR
|
— |
12,488,000
EUR
|
— | — |
| Payments of lease liabilities, classified as financing activities | — |
10,357,000
EUR
|
— |
9,880,000
EUR
|
— | — |
| Dividends paid, classified as financing activities | — |
39,879,000
EUR
|
— |
35,881,000
EUR
|
— | — |
| Cash flows from (used in) financing activities | — |
80,242,000
EUR
|
— |
38,249,000
EUR
|
— | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||
| Effect of exchange rate changes on cash and cash equivalents | — |
442,000
EUR
|
— |
309,000
EUR
|
— | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — |
21,642,000
EUR
|
— |
15,958,000
EUR
|
— | — |
| Cash and cash equivalents |
53,051,000
EUR
|
— |
31,851,000
EUR
|
— |
31,851,000
EUR
|
47,500,000
EUR
|