Statement Of Cash Flows [Abstract]
| Concept |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||
| Cash flows from (used in) operating activities [abstract] | ||||
| Adjustments for finance income |
2,177,000
EUR
|
5,724,000
EUR
|
6,497,000
EUR
|
2,905,000
EUR
|
| Cash flows from (used in) operations before changes in working capital |
206,236,000
EUR
|
173,247,000
EUR
|
177,716,000
EUR
|
208,621,000
EUR
|
| Adjustments for decrease (increase) in trade and other receivables |
13,466,000
EUR
|
14,761,000
EUR
|
2,674,000
EUR
|
1,739,000
EUR
|
| Adjustments for increase (decrease) in trade and other payables |
6,077,000
EUR
|
19,592,000
EUR
|
33,884,000
EUR
|
6,051,000
EUR
|
| Adjustments for gain (loss) on disposals, property, plant and equipment |
285,000
EUR
|
369,000
EUR
|
95,000
EUR
|
130,000
EUR
|
| Cash flows from (used in) investing activities [abstract] | ||||
| Cash flows from (used in) decrease (increase) in short-term deposits and investments |
240,000
EUR
|
8,547,000
EUR
|
13,305,000
EUR
|
83,000
EUR
|
| Inflows of cash from investing activities |
5,569,000
EUR
|
17,129,000
EUR
|
55,705,000
EUR
|
39,564,000
EUR
|
| Outflows of cash from investing activities |
160,279,000
EUR
|
153,932,000
EUR
|
147,031,000
EUR
|
170,100,000
EUR
|
| Cash flows from (used in) financing activities [abstract] | ||||
| Proceeds from non-current borrowings |
0
EUR
|
0
EUR
|
35,000,000
EUR
|
35,000,000
EUR
|
| Repayments of non-current borrowings |
30,801,000
EUR
|
30,769,000
EUR
|
23,077,000
EUR
|
23,139,000
EUR
|
| Proceeds from current borrowings |
1,000,000
EUR
|
7,000,000
EUR
|
0
EUR
|
0
EUR
|
| Repayments of current borrowings |
0
EUR
|
0
EUR
|
21,000,000
EUR
|
27,500,000
EUR
|