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Investee Companies and other investments (Schedule of Sale of Italian Indirect Wholly-Owned Subsidiaries) (Details) - EUR (€) € in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Disclosure of subsidiaries [line items] |  |  |  |
Cash and cash equivalents | € 66,845 | € 44,509 | € 36,882 | € 23,962
Trade and other receivables | 9,825 | 4,882 |  |
Deferred tax and advance tax payment and tax provision | 32 |  |  |
Fixed assets | 264,095 | 114,389 |  |
Restricted cash |  | 22,162 |  |
Right of use asset | 17,209 | 15,401 |  |
Loans and borrowings | (198,169) | (93,320) |  |
Lease liability | (17,788) |  |  |
Total net identifiable assets | 460,172 | 310,172 | 211,160 |
Cash and cash equivalents | (66,845) | € (44,509) | € (36,882) | € (23,962)
Italian indirect wholly-owned subsidiaries [Member] |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |
Cash and cash equivalents | 4,106 |  |  |
Trade and other receivables | 4,569 |  |  |
Deferred tax and advance tax payment and tax provision | 2,864 |  |  |
Fixed assets | 41,431 |  |  |
Restricted cash | 156 |  |  |
Right of use asset | 1,356 |  |  |
Trade and other payables | (2,458) |  |  |
Loans and borrowings | (30,725) |  |  |
Lease liability | (1,377) |  |  |
Total net identifiable assets | 19,922 |  |  |
Capital gain | 18,770 |  |  |
Assets after capital gain | 38,692 |  |  |
Cash and cash equivalents | (4,106) |  |  |
Proceeds from sale of investments | € 34,586 |  |  |

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