Statement Of Cash Flows [Abstract]
| Concept |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
As at 2018-12-31 |
2018-01-01 to 2018-12-31 |
|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||
| Cash flows from (used in) operating activities [abstract] | ||||||
| Cash flows from (used in) operations | — |
7,936,000
EUR
|
115,868,000
EUR
|
— | — |
98,030,000
EUR
|
| Interest paid, classified as operating activities | — |
1,965,000
EUR
|
1,866,000
EUR
|
— | — |
1,566,000
EUR
|
| Interest received, classified as operating activities | — |
1,845,000
EUR
|
7,648,000
EUR
|
— | — |
5,915,000
EUR
|
| Income taxes paid (refund), classified as operating activities | — |
10,398,000
EUR
|
13,053,000
EUR
|
— | — |
12,460,000
EUR
|
| Cash flows from (used in) operating activities | — |
18,454,000
EUR
|
108,597,000
EUR
|
— | — |
89,919,000
EUR
|
| Cash flows from (used in) investing activities [abstract] | ||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — |
-
EUR
|
-
EUR
|
— | — |
32,558,000
EUR
|
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
-
EUR
|
3,272,000
EUR
|
— | — |
5,621,000
EUR
|
| Other inflows (outflows) of cash, classified as investing activities | — |
55,530,000
EUR
|
41,285,000
EUR
|
— | — |
2,972,000
EUR
|
| Cash flows from (used in) investing activities | — |
45,958,000
EUR
|
32,982,000
EUR
|
— | — |
168,152,000
EUR
|
| Cash flows from (used in) financing activities [abstract] | ||||||
| Cash flows from (used in) financing activities | — |
39,634,000
EUR
|
41,218,000
EUR
|
— | — |
5,198,000
EUR
|
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||
| Effect of exchange rate changes on cash and cash equivalents | — |
17,588,000
EUR
|
4,866,000
EUR
|
— | — |
3,328,000
EUR
|
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — |
104,045,000
EUR
|
100,362,000
EUR
|
— | — |
73,035,000
EUR
|
| Cash and cash equivalents |
235,402,000
EUR
|
— | — |
357,035,000
EUR
|
251,807,000
EUR
|
— |