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Related Party Transactions (Tables) | 12 Months Ended
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Dec. 31, 2017
Related Party [Abstract] |
Disclosure of Related Party Transactions | The aggregate compensation expenses we recognized under IFRS for our directors and key management team were as follows:
| Year ended December 31
| 2015 |  | 2016 |  | 2017
Short-term employee benefits and costs | $ | 6.8 |  |  | $ | 6.2 |  |  | $ | 7.5 |
Post-employment and other long-term benefits | 0.5 |  |  | 0.4 |  |  | 0.6 |
Stock-based compensation (including DSUs to eligible directors) | 16.6 |  |  | 12.3 |  |  | 12.4 |
| $ | 23.9 |  |  | $ | 18.9 |  |  | $ | 20.5 |

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- Definition The disclosure of transactions between the entity and its related parties. [Refer: Related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2017-01-01 -Paragraph 18 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=24&date=2017-03-01&anchor=para_18&doctype=Standard -URIDate 2017-03-09 + Details
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