Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||||||
| Property, plant and equipment [abstract] | ||||||
| Property, plant and equipment |
686,497
EUR
|
607,716
EUR
|
679,501
EUR
|
604,932
EUR
|
— | — |
| Intangible assets and goodwill [abstract] | ||||||
| Intangible assets and goodwill |
203,754
EUR
|
162,379
EUR
|
204,352
EUR
|
155,259
EUR
|
— | — |
| Investment property [abstract] | ||||||
| Investment property |
3,296
EUR
|
3,296
EUR
|
4,304
EUR
|
7,457
EUR
|
— | — |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements [abstract] | ||||||
| Investments in subsidiaries reported in separate financial statements | — |
36,920
EUR
|
— |
38,720
EUR
|
— | — |
| Trade and other non-current receivables [abstract] | ||||||
| Non-current prepayments and non-current accrued income other than non-current contract assets [abstract] | ||||||
| Non-current prepayments |
2,714
EUR
|
2,787
EUR
|
3,293
EUR
|
3,694
EUR
|
— | — |
| Other non-current receivables |
19,685
EUR
|
19,684
EUR
|
19,251
EUR
|
19,246
EUR
|
— | — |
| Non-current prepayments and non-current accrued income including non-current contract assets [abstract] | ||||||
| Non-current accrued income including non-current contract assets [abstract] | ||||||
| Non-current contract assets |
4,179
EUR
|
3,749
EUR
|
3,624
EUR
|
3,234
EUR
|
— | — |
| Trade and other current receivables [abstract] | ||||||
| Current prepayments and current accrued income other than current contract assets [abstract] | ||||||
| Current prepayments [abstract] | ||||||
| Current prepaid expenses |
6,743
EUR
|
4,855
EUR
|
4,545
EUR
|
3,741
EUR
|
— | — |
| Trade and other current receivables |
170,123
EUR
|
161,091
EUR
|
157,680
EUR
|
150,884
EUR
|
— | — |
| Current prepayments and current accrued income including current contract assets [abstract] | ||||||
| Current accrued income including current contract assets [abstract] | ||||||
| Current contract assets |
14,148
EUR
|
14,036
EUR
|
15,942
EUR
|
15,562
EUR
|
— | — |
| Categories of current financial assets [abstract] | ||||||
| Current financial assets |
1,046
EUR
|
18,002
EUR
|
837,000
EUR
|
11,516
EUR
|
— | — |
| Classes of current inventories [abstract] | ||||||
| Current inventories |
24,802
EUR
|
21,176
EUR
|
25,253
EUR
|
21,702
EUR
|
— | — |
| Classes of current inventories, alternative [abstract] | ||||||
| Cash and cash equivalents [abstract] | ||||||
| Cash and cash equivalents |
55,479
EUR
|
44,376
EUR
|
37,382
EUR
|
19,573
EUR
|
15,935
EUR
|
3,754
EUR
|
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners [abstract] | ||||||
| Non-current assets or disposal groups classified as held for sale |
588,000
EUR
|
588,000
EUR
|
796,000
EUR
|
796,000
EUR
|
— | — |
| Borrowings [abstract] | ||||||
| Non-current portion of non-current borrowings |
306,578
EUR
|
306,578
EUR
|
236,683
EUR
|
236,683
EUR
|
— | — |
| Current borrowings and current portion of non-current borrowings [abstract] | ||||||
| Current borrowings and current portion of non-current borrowings |
30,598
EUR
|
30,598
EUR
|
132,757
EUR
|
132,757
EUR
|
— | — |
| Non-current portion of non-current borrowings, by type [abstract] | ||||||
| Current borrowings and current portion of non-current borrowings, by type [abstract] | ||||||
| Trade and other non-current payables [abstract] | ||||||
| Non-current accruals and non-current deferred income including non-current contract liabilities [abstract] | ||||||
| Non-current deferred income including non-current contract liabilities [abstract] | ||||||
| Non-current contract liabilities [abstract] | ||||||
| Non-current contract liabilities |
19,730
EUR
|
19,237
EUR
|
17,072
EUR
|
16,425
EUR
|
— | — |
| Accruals classified as non-current |
8,916
EUR
|
426,000
EUR
|
5,810
EUR
|
666,000
EUR
|
— | — |
| Other non-current payables |
23,336
EUR
|
17,316
EUR
|
8,177
EUR
|
3,847
EUR
|
— | — |
| Trade and other current payables [abstract] | ||||||
| Current accruals and current deferred income including current contract liabilities [abstract] | ||||||
| Current deferred income including current contract liabilities [abstract] | ||||||
| Current contract liabilities [abstract] | ||||||
| Current contract liabilities |
11,907
EUR
|
5,779
EUR
|
10,275
EUR
|
5,602
EUR
|
— | — |
| Accruals classified as current |
34,309
EUR
|
29,052
EUR
|
35,691
EUR
|
30,161
EUR
|
— | — |
| Trade and other current payables |
123,746
EUR
|
108,222
EUR
|
123,915
EUR
|
99,300
EUR
|
— | — |
| Issued capital [abstract] | ||||||
| Issued capital |
272,721
EUR
|
272,721
EUR
|
272,721
EUR
|
272,721
EUR
|
— | — |
| Retained earnings [abstract] | ||||||
| Retained earnings, profit (loss) for reporting period |
47,065
EUR
|
23,864
EUR
|
37,506
EUR
|
20,793
EUR
|
— | — |
| Retained earnings, excluding profit (loss) for reporting period |
49,575
EUR
|
46,628
EUR
|
12,497
EUR
|
26,076
EUR
|
— | — |
| Retained earnings |
96,640
EUR
|
70,492
EUR
|
50,003
EUR
|
46,869
EUR
|
— | — |
| Accumulated other comprehensive income [abstract] | ||||||
| Reserve of exchange differences on translation |
52,000
EUR
|
0
EUR
|
18,000
EUR
|
0
EUR
|
— | — |
| Reserve of remeasurements of defined benefit plans |
1,429
EUR
|
1,214
EUR
|
1,155
EUR
|
897,000
EUR
|
— | — |
| Miscellaneous equity [abstract] | ||||||
| Capital redemption reserve |
4,065
EUR
|
4,065
EUR
|
4,065
EUR
|
4,065
EUR
|
— | — |
| Statutory reserve |
54,854
EUR
|
54,544
EUR
|
54,854
EUR
|
54,544
EUR
|
— | — |
| Capital reserve |
106,479
EUR
|
104,978
EUR
|
106,479
EUR
|
104,978
EUR
|
— | — |
| Net assets (liabilities) [abstract] | ||||||
| Assets |
1.317.866
EUR
|
1.250.315
EUR
|
1.275.338
EUR
|
1.223.290
EUR
|
— | — |
| Liabilities |
659,228
EUR
|
620,126
EUR
|
663,661
EUR
|
617,057
EUR
|
— | — |
| Net current assets (liabilities) [abstract] | ||||||
| Current assets |
273,861
EUR
|
264,566
EUR
|
243,822
EUR
|
225,060
EUR
|
— | — |
| Current liabilities |
210,437
EUR
|
185,163
EUR
|
313,464
EUR
|
280,347
EUR
|
— | — |
| Assets less current liabilities [abstract] |