Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2020-01-01 |
As at 2019-12-31 |
|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||||
| Property, plant and equipment [abstract] | ||||
| Property, plant and equipment |
162,073
EUR
|
157,020
EUR
|
147,564
EUR
|
— |
| Intangible assets and goodwill [abstract] | ||||
| Intangible assets other than goodwill [abstract] | ||||
| Intangible assets other than goodwill |
46,409
EUR
|
38,339
EUR
|
32,190
EUR
|
— |
| Investments accounted for using equity method [abstract] | ||||
| Investments accounted for using equity method |
3,090
EUR
|
3,622
EUR
|
6,433
EUR
|
— |
| Trade and other current receivables [abstract] | ||||
| Trade and other current receivables |
159,040
EUR
|
236,685
EUR
|
220,589
EUR
|
— |
| Classes of current inventories [abstract] | ||||
| Current inventories |
407,754
EUR
|
417,302
EUR
|
475,532
EUR
|
— |
| Classes of current inventories, alternative [abstract] | ||||
| Cash and cash equivalents [abstract] | ||||
| Cash and cash equivalents |
65,450
EUR
|
19,015
EUR
|
50,849
EUR
|
50,849
EUR
|
| Classes of other provisions [abstract] | ||||
| Other provisions [abstract] | ||||
| Other non-current provisions |
32,365
EUR
|
34,093
EUR
|
37,342
EUR
|
— |
| Other current provisions |
17,410
EUR
|
16,345
EUR
|
15,594
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 |
130,598
EUR
|
135,501
EUR
|
131,864
EUR
|
— |
| Trade and other current payables |
63,894
EUR
|
49,485
EUR
|
68,852
EUR
|
— |
| Issued capital [abstract] | ||||
| Issued capital |
13,600
EUR
|
13,600
EUR
|
13,600
EUR
|
— |
| Retained earnings [abstract] | ||||
| Retained earnings |
180,784
EUR
|
184,152
EUR
|
164,422
EUR
|
— |
| Net assets (liabilities) [abstract] | ||||
| Assets |
891,562
EUR
|
911,157
EUR
|
979,146
EUR
|
— |
| Net current assets (liabilities) [abstract] | ||||
| Current assets |
632,773
EUR
|
673,678
EUR
|
746,969
EUR
|
— |
| Current liabilities |
438,058
EUR
|
397,924
EUR
|
492,463
EUR
|
— |
| Assets less current liabilities [abstract] |