Statement Of Financial Position [Abstract]
| Concept |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||
| Assets [abstract] | |||||||||||||||
| Non-current assets [abstract] | |||||||||||||||
| Property, plant and equipment | — |
141,000
EUR
|
— | — | — | — | — | — | — |
94,000
EUR
|
— | — | — | — | — |
| Intangible assets other than goodwill | — |
4,032
EUR
|
— | — | — | — | — | — | — |
4,032
EUR
|
— | — | — | — | — |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements | — |
14,268
EUR
|
— | — | — | — | — | — | — |
14,096
EUR
|
— | — | — | — | — |
| Other non-current financial assets | — |
2,914
EUR
|
— | — | — | — | — | — | — |
2,914
EUR
|
— | — | — | — | — |
| Non-current assets | — |
21,358
EUR
|
— | — | — | — | — | — | — |
21,139
EUR
|
— | — | — | — | — |
| Current assets [abstract] | |||||||||||||||
| Current inventories | — |
10,000
EUR
|
— | — | — | — | — | — | — |
0
EUR
|
— | — | — | — | — |
| Trade and other current receivables | — |
102,000
EUR
|
— | — | — | — | — | — | — |
131,000
EUR
|
— | — | — | — | — |
| Cash and cash equivalents | — |
198,000
EUR
|
— | — | — | — | — | — | — |
11,330
EUR
|
— | — | — | — |
5,069
EUR
|
| Current assets | — |
1,629
EUR
|
— | — | — | — | — | — | — |
12,449
EUR
|
— | — | — | — | — |
| Assets | — |
22,987
EUR
|
— | — | — | — | — | — | — |
33,588
EUR
|
— | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||
| Equity [abstract] | |||||||||||||||
| Issued capital | — |
4,209
EUR
|
— | — | — | — | — | — | — |
4,209
EUR
|
— | — | — | — | — |
| Retained earnings | — |
2,085
EUR
|
— | — | — | — | — | — | — |
12,540
EUR
|
— | — | — | — | — |
| Equity |
15,974
EUR
|
22,246
EUR
|
4,209
EUR
|
22,000
EUR
|
2,085
EUR
|
34,000
EUR
|
4,209
EUR
|
12,540
EUR
|
15,974
EUR
|
32,689
EUR
|
44,000
EUR
|
15,974
EUR
|
11,499
EUR
|
4,209
EUR
|
31,638
EUR
|
| Liabilities [abstract] | |||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||
| Non-current provisions for employee benefits | — |
95,000
EUR
|
— | — | — | — | — | — | — |
104,000
EUR
|
— | — | — | — | — |
| Deferred tax liabilities | — |
387,000
EUR
|
— | — | — | — | — | — | — |
498,000
EUR
|
— | — | — | — | — |
| Non-current liabilities | — |
482,000
EUR
|
— | — | — | — | — | — | — |
619,000
EUR
|
— | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||
| Current provisions [abstract] | |||||||||||||||
| Current provisions | — |
2,000
EUR
|
— | — | — | — | — | — | — |
0
EUR
|
— | — | — | — | — |
| Current tax liabilities, current | — |
2,000
EUR
|
— | — | — | — | — | — | — |
16,000
EUR
|
— | — | — | — | — |
| Current liabilities | — |
259,000
EUR
|
— | — | — | — | — | — | — |
280,000
EUR
|
— | — | — | — | — |
| Equity and liabilities | — |
22,987
EUR
|
— | — | — | — | — | — | — |
33,588
EUR
|
— | — | — | — | — |