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Segmented Information (Tables) | 12 Months Ended
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Dec. 31, 2017
Disclosure of entity's operating segments [Abstract] |
Disclosure of operating segments [text block] | The results from operations for these reportable operating segments are summarized in the following tables:
Year ended December 31, 2017
| Young-Davidson | Mulatos | Island Gold | El Chanate | Corporate/other 1 | Total
Operating revenues | $249.7 |  | $201.4 |  | $14.9 |  | $76.8 |  | — |  | $542.8 |
Cost of sales |  |  |  |  |  |
Mining and processing | 125.9 |  | 112.9 |  | 4.1 |  | 72.7 |  | — |  | 315.6 |
Royalties | 4.4 |  | 10.6 |  | 0.6 |  | — |  | — |  | 15.6 |
Amortization | 83.1 |  | 29.5 |  | 8.7 |  | 4.3 |  | — |  | 125.6 |
| 213.4 |  | 153.0 |  | 13.4 |  | 77.0 |  | — |  | 456.8 |
Expenses |  |  |  |  |  |
Exploration | — |  | 6.7 |  | — |  | — |  | 1.6 |  | 8.3 |
Corporate and administrative | — |  | — |  | — |  | — |  | 15.5 |  | 15.5 |
Share-based compensation | — |  | — |  | — |  | — |  | 6.2 |  | 6.2 |
Earnings (loss) from operations | $36.3 |  | $41.7 |  | $1.5 |  | ($0.2 | ) | ($23.3 | ) | $56.0 |
Finance expense |  |  |  |  |  | (9.1 | )
Foreign exchange gain |  |  |  |  |  | 5.0 |
Other loss |  |  |  |  |  | (0.6 | )
Loss on redemption of senior secured notes |  |  |  |  |  | (29.1 | )
Earnings before income taxes |  |  |  |  |  | $22.2 |
1. Corporate and other consists of corporate balances and exploration and development projects.
Year ended December 31, 2016
| Young-Davidson | Mulatos | El Chanate | Corporate/other 1 | Total
Operating revenues | $211.9 |  | $187.3 |  | $83.0 |  | — |  | $482.2 |
Cost of sales |  |  |  |  |
Mining and processing | 107.4 |  | 117.2 |  | 72.4 |  | — |  | 297.0 |
Royalties | 3.7 |  | 9.6 |  | — |  | — |  | 13.3 |
Amortization | 72.6 |  | 37.8 |  | 8.6 |  | — |  | 119.0 |
| 183.7 |  | 164.6 |  | 81.0 |  | — |  | 429.3 |
Expenses |  |  |  |  |
Exploration | — |  | 2.0 |  | — |  | 3.1 |  | 5.1 |
Corporate and administrative | — |  | — |  | — |  | 16.3 |  | 16.3 |
Share-based compensation | — |  | — |  | — |  | 10.2 |  | 10.2 |
Earnings (loss) from operations | $28.2 |  | $20.7 |  | $2.0 |  | ($29.6 | ) | $21.3 |
Finance expense |  |  |  |  | (24.0 | )
Foreign exchange loss |  |  |  |  | (12.5 | )
Other gains |  |  |  |  | 7.6 |
Loss before income taxes |  |  |  |  | ($7.6 | )
1. Corporate and other consists of corporate balances and exploration and development projects. (b) Segment assets and liabilities The following table presents the segment assets and liabilities:
| Total Assets | Total liabilities
| December 31, 2017 | December 31, 2016 | December 31, 2017 | December 31, 2016
Young-Davidson | $1,580.9 |  | $1,548.9 |  | $243.4 |  | $260.4 |
Mulatos | 350.0 |  | 335.5 |  | 93.8 |  | 88.4 |
Island Gold | 849.6 |  | — |  | 222.5 |  | — |
El Chanate | 111.4 |  | 113.5 |  | 24.3 |  | 27.8 |
Corporate/other | 421.9 |  | 494.3 |  | 48.6 |  | 356.2 |
Total assets and liabilities | $3,313.8 | $2,492.2 | $632.6 | $732.8

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- Definition The disclosure of operating segments. [Refer: Operating segments [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2017-01-01 -Paragraph 23 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2017-03-01&anchor=para_23&doctype=Standard -URIDate 2017-03-09 + Details
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