Statement Of Cash Flows [Abstract]
| Concept |
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 |
222,641,000
EUR
|
186,092,000
EUR
|
| Increase (decrease) in working capital |
90,178,000
EUR
|
71,288,000
EUR
|
| Adjustments for increase (decrease) in employee benefit liabilities |
100,000
EUR
|
1,339,000
EUR
|
| Adjustments for undistributed profits of investments accounted for using equity method |
1,180,000
EUR
|
1,484,000
EUR
|
| Income taxes paid, classified as operating activities |
4,087,000
EUR
|
10,424,000
EUR
|
| Cash flows from (used in) investing activities [abstract] | ||
| Purchase of interests in investments accounted for using equity method |
150,000
EUR
|
7,195,000
EUR
|
| Proceeds from sales of investments accounted for using equity method |
0
EUR
|
5,853,000
EUR
|
| Cash flows from (used in) financing activities [abstract] | ||
| Cash flows from (used in) increase (decrease) in current borrowings |
23,992,000
EUR
|
85,630,000
EUR
|