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Supplemental Cash Flow Information | 12 Months Ended
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Dec. 31, 2017
Disclosure of Cash Flow Statement [Abstract] |
Supplemental Cash Flow Information |
15. | SUPPLEMENTAL CASH FLOW INFORMATION
Changes in working capital and income taxes received or paid for the years ended:
| December 31, |  | December 31, |
| 2017 | 2016
Amounts receivable | $14.0 |  | ($5.7 | )
Inventory | (15.9 | ) | (16.1 | )
Advances and prepaid expenses | (4.3 | ) | 3.8 |
Accounts payable and accrued liabilities | (12.1 | ) | (7.5 | )
Income taxes (paid) refunded | (1.5 | ) | 13.2 |
| ($19.8 | ) | ($12.3 | )
Interest received | $2.5 | $2.1
Other items for the years ended:
| December 31, | December 31,
| 2017 | 2016
Unrealized loss (gain) on non-hedged derivatives |  | $0.3 |  |  | ($1.6 | )
Gain on prepayment option fair value adjustment | — |  | (9.5 | )
Reduction of obligation to renounce flow-through exploration expenditures | (2.3 | ) | (1.3 | )
Loss on disposal of assets | 1.9 |  | 4.6 |
Payment of transaction costs incurred by Richmont Mines (note 5) | (5.9 | ) | — |
Share-based payments related to Richmont Mines transaction (note 5) | 1.3 |  | — |
Other non-cash items | 0.8 |  | (2.3 | )
| ($3.9 | ) | ($10.1 | )

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