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Note 16 - Investment Securities (Tables) | 12 Months Ended
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Dec. 31, 2017
Statement Line Items [Line Items] |
Disclosure of investment securities portions [text block] |
|  | 2017 |  |  | 2016 |
Debt held-to-maturity (i) |  |  | 122.0 |  |  |  | 104.3 |
Non-current investments securities |  |  | 122.0 |  |  |  | 104.3 |
Financial asset at fair value through profit or loss-held for trading |  |  | 11.9 |  |  |  | 282.8 |
Current investments securities |  |  | 11.9 |  |  |  | 282.8 |
Total |  |  | 133.9 |  |  |  | 387.1 |

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