Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2020-12-31 |
As at 2020-01-01 |
As at 2019-12-31 |
As at 2019-01-01 |
|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||||
| Property, plant and equipment [abstract] | ||||
| Land and buildings [abstract] | ||||
| Land and buildings |
7,900,000
EUR
|
— |
8,500,000
EUR
|
— |
| Machinery |
3,400,000
EUR
|
— |
4,000,000
EUR
|
— |
| Construction in progress |
3,100,000
EUR
|
— |
3,700,000
EUR
|
— |
| Other property, plant and equipment |
29,400,000
EUR
|
— |
35,000,000
EUR
|
— |
| Property, plant and equipment |
109,000,000
EUR
|
— |
105,700,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | ||||
| Intangible assets other than goodwill [abstract] | ||||
| Brand names |
7,800,000
EUR
|
— |
9,600,000
EUR
|
— |
| Copyrights, patents and other industrial property rights, service and operating rights |
30,600,000
EUR
|
— |
27,400,000
EUR
|
— |
| Intangible assets under development |
21,400,000
EUR
|
— |
34,000,000
EUR
|
— |
| Goodwill |
166,000,000
EUR
|
— |
168,500,000
EUR
|
— |
| Intangible assets and goodwill |
256,700,000
EUR
|
— |
287,100,000
EUR
|
— |
| Investments accounted for using equity method [abstract] | ||||
| Investments in associates accounted for using equity method |
29,300,000
EUR
|
— |
21,500,000
EUR
|
— |
| Miscellaneous non-current assets [abstract] | ||||
| Other non-current assets |
54,100,000
EUR
|
— |
49,400,000
EUR
|
— |
| Trade and other current receivables [abstract] | ||||
| Current trade receivables |
154,200,000
EUR
|
— |
175,000,000
EUR
|
— |
| Other current receivables |
19,100,000
EUR
|
— |
21,100,000
EUR
|
— |
| Categories of current financial assets [abstract] | ||||
| Current loans and receivables |
3,000,000
EUR
|
— |
4,700,000
EUR
|
— |
| Classes of current inventories [abstract] | ||||
| Current inventories |
149,300,000
EUR
|
— |
172,700,000
EUR
|
— |
| Classes of current inventories, alternative [abstract] | ||||
| Cash and cash equivalents [abstract] | ||||
| Cash and cash equivalents |
13,100,000
EUR
|
19,300,000
EUR
|
19,300,000
EUR
|
16,400,000
EUR
|
| Borrowings [abstract] | ||||
| Non-current portion of non-current borrowings |
227,300,000
EUR
|
— |
376,900,000
EUR
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | ||||
| Current borrowings |
105,200,000
EUR
|
— |
5,000,000
EUR
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | ||||
| Trade and other current payables [abstract] | ||||
| Current trade payables |
99,900,000
EUR
|
— |
111,900,000
EUR
|
— |
| Miscellaneous non-current liabilities [abstract] | ||||
| Non-current net defined benefit liability |
7,100,000
EUR
|
— |
5,900,000
EUR
|
— |
| Other non-current liabilities |
1,300,000
EUR
|
— |
2,600,000
EUR
|
— |
| Miscellaneous current liabilities [abstract] | ||||
| Other current liabilities |
93,600,000
EUR
|
— |
96,500,000
EUR
|
— |
| Issued capital [abstract] | ||||
| Issued capital |
72,900,000
EUR
|
— |
72,900,000
EUR
|
— |
| Retained earnings [abstract] | ||||
| Retained earnings |
77,700,000
EUR
|
— |
81,200,000
EUR
|
— |
| Net assets (liabilities) [abstract] | ||||
| Assets |
763,500,000
EUR
|
— |
840,100,000
EUR
|
— |
| Liabilities |
628,700,000
EUR
|
— |
682,100,000
EUR
|
— |
| Net current assets (liabilities) [abstract] | ||||
| Current assets |
343,700,000
EUR
|
— |
397,900,000
EUR
|
— |
| Current liabilities |
339,800,000
EUR
|
— |
256,200,000
EUR
|
— |
| Assets less current liabilities [abstract] |