Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||||
| Property, plant and equipment [abstract] | ||||
| Land and buildings [abstract] | ||||
| Land and buildings |
69,677
EUR
|
78,602
EUR
|
74,220
EUR
|
— |
| Other property, plant and equipment |
53,181
EUR
|
48,285
EUR
|
49,254
EUR
|
— |
| Intangible assets and goodwill [abstract] | ||||
| Intangible assets other than goodwill [abstract] | ||||
| Intangible assets other than goodwill |
19,251
EUR
|
17,427
EUR
|
28,952
EUR
|
— |
| Goodwill |
105,612
EUR
|
105,612
EUR
|
105,612
EUR
|
— |
| Miscellaneous non-current assets [abstract] | ||||
| Other non-current assets |
5,819
EUR
|
6,849
EUR
|
5,870
EUR
|
— |
| Trade and other current receivables [abstract] | ||||
| Current trade receivables |
194,643
EUR
|
156,977
EUR
|
146,138
EUR
|
— |
| Other current receivables |
14,509
EUR
|
16,211
EUR
|
17,789
EUR
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | ||||
| Current prepayments and current accrued income including current contract assets |
11,383
EUR
|
12,293
EUR
|
6,646
EUR
|
— |
| Classes of current inventories [abstract] | ||||
| Current inventories |
245,714
EUR
|
175,496
EUR
|
175,390
EUR
|
— |
| Classes of current inventories, alternative [abstract] | ||||
| Cash and cash equivalents [abstract] | ||||
| Cash and cash equivalents |
305,915
EUR
|
351,571
EUR
|
235,402
EUR
|
357,035
EUR
|
| Miscellaneous current assets [abstract] | ||||
| Current investments |
1,651
EUR
|
2,763
EUR
|
3,175
EUR
|
— |
| Classes of other provisions [abstract] | ||||
| Other provisions [abstract] | ||||
| Other current provisions |
9,325
EUR
|
8,537
EUR
|
13,720
EUR
|
— |
| Borrowings [abstract] | ||||
| Non-current portion of non-current borrowings |
32,335
EUR
|
34,366
EUR
|
35,854
EUR
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | ||||
| Current borrowings |
-
EUR
|
-
EUR
|
86,000
EUR
|
— |
| Current portion of non-current borrowings |
11,217
EUR
|
10,218
EUR
|
9,187
EUR
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | ||||
| Trade and other current payables [abstract] | ||||
| Current trade payables |
121,920
EUR
|
113,979
EUR
|
70,299
EUR
|
— |
| Current accruals and current deferred income including current contract liabilities [abstract] | ||||
| Current deferred income including current contract liabilities [abstract] | ||||
| Current contract liabilities [abstract] | ||||
| Current advances received, representing current contract liabilities for performance obligations satisfied at point in time |
51,183
EUR
|
54,105
EUR
|
42,375
EUR
|
— |
| Current accruals and current deferred income including current contract liabilities |
11,155
EUR
|
14,823
EUR
|
12,646
EUR
|
— |
| Miscellaneous non-current liabilities [abstract] | ||||
| Other non-current liabilities |
44,524
EUR
|
48,860
EUR
|
43,286
EUR
|
— |
| Miscellaneous current liabilities [abstract] | ||||
| Other current liabilities |
5,412
EUR
|
5,036
EUR
|
8,980
EUR
|
— |
| Net assets (liabilities) [abstract] | ||||
| Assets |
1.147.405
EUR
|
1.104.249
EUR
|
1.018.203
EUR
|
— |
| Net current assets (liabilities) [abstract] | ||||
| Current assets |
773,815
EUR
|
715,311
EUR
|
584,542
EUR
|
— |
| Current liabilities |
273,338
EUR
|
251,211
EUR
|
197,054
EUR
|
— |
| Assets less current liabilities [abstract] |