Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
306,496,776
EUR
|
338,771,365
EUR
|
322,679,989
EUR
|
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
2,202,137
EUR
|
2,594,599
EUR
|
3,705,743
EUR
|
| Goodwill |
4,951,057
EUR
|
4,951,057
EUR
|
4,951,057
EUR
|
| Investment property [abstract] | |||
| Investment property |
3,509,654
EUR
|
3,670,084
EUR
|
3,860,781
EUR
|
| Miscellaneous non-current assets [abstract] | |||
| Other non-current assets |
3,169,704
EUR
|
2,699,565
EUR
|
1,823,792
EUR
|
| Trade and other current receivables [abstract] | |||
| Current trade receivables |
39,887,915
EUR
|
36,867,117
EUR
|
42,082,791
EUR
|
| Other current receivables |
10,075,144
EUR
|
8,665,133
EUR
|
10,238,140
EUR
|
| Categories of non-current financial assets [abstract] | |||
| Non-current financial assets at fair value through other comprehensive income [abstract] | |||
| Non-current financial assets at fair value through other comprehensive income |
645,773
EUR
|
688,024
EUR
|
715,578
EUR
|
| Classes of current inventories [abstract] | |||
| Current inventories |
112,162,085
EUR
|
128,671,570
EUR
|
114,505,857
EUR
|
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
162,389,373
EUR
|
180,322,293
EUR
|
143,315,435
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 |
6,313,418
EUR
|
0
EUR
|
0
EUR
|
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
22,485,633
EUR
|
51,992,495
EUR
|
131,880,070
EUR
|
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings and current portion of non-current borrowings |
69,534,449
EUR
|
91,466,449
EUR
|
78,836,653
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] | |||
| Other non-current payables |
1,633,474
EUR
|
1,650,572
EUR
|
1,445,937
EUR
|
| Trade and other current payables [abstract] | |||
| Current trade payables |
50,023,611
EUR
|
53,844,413
EUR
|
44,968,591
EUR
|
| Other current payables |
48,208,836
EUR
|
50,892,559
EUR
|
54,304,967
EUR
|
| Miscellaneous non-current liabilities [abstract] | |||
| Non-current net defined benefit liability |
48,564,561
EUR
|
47,578,049
EUR
|
51,008,374
EUR
|
| Issued capital [abstract] | |||
| Issued capital |
24,779,510
EUR
|
24,779,510
EUR
|
24,779,510
EUR
|
| Retained earnings [abstract] | |||
| Retained earnings, profit (loss) for reporting period |
41,592,016
EUR
|
74,036,478
EUR
|
80,389,524
EUR
|
| Accumulated other comprehensive income [abstract] | |||
| Reserve of exchange differences on translation |
151,049,161
EUR
|
116,814,359
EUR
|
108,159,406
EUR
|
| Miscellaneous equity [abstract] | |||
| Statutory reserve |
2,477,951
EUR
|
2,477,951
EUR
|
2,477,951
EUR
|
| Net assets (liabilities) [abstract] | |||
| Assets |
1,100,532,549
EUR
|
1,191,201,486
EUR
|
1,177,385,609
EUR
|
| Assets less current liabilities [abstract] |