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LONG-TERM DEBT (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Disclosure of financial liabilities [line items] |
Disclosure of detailed information about borrowings [text block] | Long-term debt consists of the following:
| As at December 31
(in millions of U.S. dollars) |  |  | 2017 | 2016
Long-term debt |  |  |  |
Senior unsecured notes - due April 15, 2020 (b) |  |  | - | 296.1
Senior unsecured notes - due November 15, 2022 (a) |  |  | 494.3 | 493.4
Senior unsecured notes - due November 15, 2025 (b) |  |  | 283.4 | -
Credit Facility (c) |  |  | 230.0 | 100.0
Total long-term debt |  |  | 1,007.7 | 889.5
Disclosure of detailed information about applicable redemption prices on unsecured notes [text block] | During the 12-month period beginning on November 15 of the years indicated at the redemption prices below, expressed as a percentage of the principal amount of the 2022 Unsecured Notes to be redeemed, plus accrued and unpaid interest, if any, to the redemption date:
Date | Redemption prices (%)
2017 | 103.13%
2018 | 102.08%
2019 | 101.04%
2020 and thereafter | 100.00%
Disclosure of detailed information about applicable redemption prices on 2025 Unsecured Notes [text block] | During the 12-month period beginning on May 15 of the years indicated at the redemption prices below, expressed as a percentage of the principal amount of the 2025 Unsecured Notes to be redeemed, plus accrued and unpaid interest, if any, to the redemption date:
D ate | Redemption prices (%)
2020 | 104.78%
2021 | 103.19%
2022 | 101.59%
2023 and thereafter | 100.00%
Detailed information about significant convenants [text block] | Significant financial covenants are as follows:
| Twelve months ended December 31 | Twelve months ended December 31
| Financial covenant | 2017 | 2016
Financial covenants |  |  |
Minimum interest coverage ratio (Adjusted EBITDA to interest) | >3.0 : 1 | 4.7 : 1 | 5.7 : 1
Maximum leverage ratio (net debt to Adjusted EBITDA) | <4.0 : 1 | 3.1 : 1 | 2.6 : 1
Disclosure of reconciliation of liabilities arising from fnancing activities explanatory [text block] | The following is a summary of the changes in liabilities arising from financing activities for the year ended December 31, 2017:
| As at December 31, 2016 | Borrowings | Repayments | Fair Value changes | Interest & Accretion | Foreign Exchange | As at December 31, 2017
Liabilities arising from financing actvities |  |  |  |  |  |  |
Long-term debt | 889.5 | 424.6 | (305.3) | (3.3) | 2.2 | - | 1,007.7
Interest payable(1) | 8.6 | - | (59.8) | - | 58.1 | - | 6.9
Gold stream obligation | 246.5 | - | (2.4) | 29.4 | - | - | 273.5
Total | 1,144.6 | 424.6 | (367.5) | 26.1 | 60.3 | - | 1,288.1
| 1. | For the purposes of this reconciliation, interest paid for the year ended December 31, 2017 excludes $3.9 million in standby fees on the Credit Facility and fees on the Company’s issued letters of credit.

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