Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
As at 2018-12-31 |
|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||||
| Property, plant and equipment [abstract] | ||||
| Land and buildings [abstract] | ||||
| Land and buildings |
78,602
EUR
|
74,220
EUR
|
83,665
EUR
|
— |
| Other property, plant and equipment |
48,285
EUR
|
49,254
EUR
|
51,804
EUR
|
— |
| Intangible assets and goodwill [abstract] | ||||
| Intangible assets other than goodwill [abstract] | ||||
| Intangible assets other than goodwill |
17,427
EUR
|
28,952
EUR
|
44,469
EUR
|
— |
| Goodwill |
105,612
EUR
|
105,612
EUR
|
105,612
EUR
|
— |
| Miscellaneous non-current assets [abstract] | ||||
| Other non-current assets |
6,849
EUR
|
5,870
EUR
|
4,018
EUR
|
— |
| Trade and other current receivables [abstract] | ||||
| Current trade receivables |
156,977
EUR
|
146,138
EUR
|
195,358
EUR
|
— |
| Other current receivables |
16,211
EUR
|
17,789
EUR
|
25,669
EUR
|
— |
| Classes of current inventories [abstract] | ||||
| Current inventories |
175,496
EUR
|
175,390
EUR
|
168,983
EUR
|
— |
| Classes of current inventories, alternative [abstract] | ||||
| Cash and cash equivalents [abstract] | ||||
| Cash and cash equivalents |
351,571
EUR
|
235,402
EUR
|
357,035
EUR
|
251,807
EUR
|
| Miscellaneous current assets [abstract] | ||||
| Current investments |
2,763
EUR
|
3,175
EUR
|
24,748
EUR
|
— |
| Classes of other provisions [abstract] | ||||
| Other provisions [abstract] | ||||
| Other current provisions |
8,537
EUR
|
13,720
EUR
|
18,759
EUR
|
— |
| Borrowings [abstract] | ||||
| Non-current portion of non-current borrowings |
34,366
EUR
|
35,854
EUR
|
40,225
EUR
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | ||||
| Current borrowings |
-
EUR
|
86,000
EUR
|
-
EUR
|
— |
| Current portion of non-current borrowings |
10,218
EUR
|
9,187
EUR
|
12,469
EUR
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | ||||
| Trade and other current payables [abstract] | ||||
| Current trade payables |
113,979
EUR
|
70,299
EUR
|
128,914
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 |
54,105
EUR
|
42,375
EUR
|
69,515
EUR
|
— |
| Miscellaneous non-current liabilities [abstract] | ||||
| Other non-current liabilities |
48,860
EUR
|
43,286
EUR
|
27,031
EUR
|
— |
| Miscellaneous current liabilities [abstract] | ||||
| Other current liabilities |
5,036
EUR
|
8,980
EUR
|
13,268
EUR
|
— |
| Net assets (liabilities) [abstract] | ||||
| Assets |
1.104.249
EUR
|
1.018.203
EUR
|
1.174.176
EUR
|
— |
| Net current assets (liabilities) [abstract] | ||||
| Current assets |
715,311
EUR
|
584,542
EUR
|
781,203
EUR
|
— |
| Current liabilities |
251,211
EUR
|
197,054
EUR
|
316,266
EUR
|
— |
| Assets less current liabilities [abstract] |