Statement Of Cash Flows [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
2019-01-01 to 2019-12-31 |
|---|---|---|---|
| Statement of cash flows [abstract] | |||
| Cash flows from (used in) operating activities [abstract] | |||
| Cash flows from (used in) operations before changes in working capital |
53,616,000
EUR
|
46,829,000
EUR
|
141,995,000
EUR
|
| Increase (decrease) in working capital |
55,534,000
EUR
|
54,764,000
EUR
|
26,126,000
EUR
|
| Adjustments for undistributed profits of investments accounted for using equity method |
48,000
EUR
|
276,000
EUR
|
1,566,000
EUR
|
| Cash flows from (used in) investing activities [abstract] | |||
| Dividends received from investments accounted for using equity method, classified as investing activities |
3,859,000
EUR
|
2,492,000
EUR
|
7,284,000
EUR
|
| Cash flows from (used in) decrease (increase) in short-term deposits and investments |
412,000
EUR
|
21,573,000
EUR
|
88,047,000
EUR
|
| Cash flows from (used in) financing activities [abstract] | |||
| Dividends paid to equity holders of parent, classified as financing activities |
20,560,000
EUR
|
33,354,000
EUR
|
28,680,000
EUR
|
| Repayments of non-current borrowings |
12,758,000
EUR
|
11,235,000
EUR
|
22,359,000
EUR
|
| Cash flows from (used in) increase (decrease) in current borrowings |
614,000
EUR
|
2,103,000
EUR
|
3,033,000
EUR
|