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LONG-TERM DEBT AND CREDIT FACILITIES - Changes in liabilities arising from financing activities (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Changes from financing cash flows |  |
Balance at the beginning | $ 1,768.3 | $ 1,766.4
Debt issued | 300.0 | 80.0
Debt repayments | (200.0) | (80.0)
Interest paid | (55.6) | (57.9)
Payments of lease liabilities | (14.3) |
Changes for financing cash flows | 1,841.3 | 1,708.5
Other changes |  |
Interest expense and accretion | 74.0 | 72.1
Capitalized interest | 47.4 | 41.5
Capitalized interest paid | (45.0) | (38.2)
Additions of lease liabilities | 22.9 |
Accretion of lease liabilities | 2.9 |
Other cash changes | (10.0) | (9.9)
Other non cash changes | (7.9) | (5.7)
Other changes | 84.3 | 59.8
Balance at the end | 1,925.6 | 1,768.3
Long-term debt |  |
Changes from financing cash flows |  |
Balance at the beginning | 1,735.0 | 1,732.6
Debt issued | 300.0 | 80.0
Debt repayments | (200.0) | (80.0)
Changes for financing cash flows | 1,835.0 | 1,732.6
Other changes |  |
Other non cash changes | 2.4 | 2.4
Other changes | 2.4 | 2.4
Balance at the end | 1,837.4 | 1,735.0
Lease liabilities |  |
Changes from financing cash flows |  |
Payments of lease liabilities | (14.3) |
Changes for financing cash flows | 28.6 |
Other changes |  |
Additions of lease liabilities | 22.9 |
Accretion of lease liabilities | 2.9 |
Other non cash changes | 0.5 |
Other changes | 26.3 |
Balance at the end | 54.9 |
Accrued interest payable |  |
Changes from financing cash flows |  |
Balance at the beginning | 33.3 | 33.8
Interest paid | (55.6) | (57.9)
Changes for financing cash flows | (22.3) | (24.1)
Other changes |  |
Interest expense and accretion | 74.0 | 72.1
Capitalized interest | 47.4 | 41.5
Capitalized interest paid | (45.0) | (38.2)
Other cash changes | (10.0) | (9.9)
Other non cash changes | (10.8) | (8.1)
Other changes | 55.6 | 57.4
Balance at the end | 33.3 | 33.3
IFRS 16 |  |
Changes from financing cash flows |  |
Balance at the beginning | 1,811.2 |
Other changes |  |
Balance at the end |  | 1,811.2
IFRS 16 | Long-term debt |  |
Changes from financing cash flows |  |
Balance at the beginning | 1,735.0 |
Other changes |  |
Balance at the end |  | 1,735.0
IFRS 16 | Lease liabilities |  |
Changes from financing cash flows |  |
Balance at the beginning | 42.9 |
Other changes |  |
Balance at the end |  | 42.9
IFRS 16 | Accrued interest payable |  |
Changes from financing cash flows |  |
Balance at the beginning | $ 33.3 |
Other changes |  |
Balance at the end |  | $ 33.3

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- Definition The increase (decrease) in liabilities arising from financing activities resulting from financing cash flows. [Refer: Cash flows from (used in) financing activities; Liabilities arising from financing activities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2019-01-01 -Paragraph 44B -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2019-en-r&anchor=para_44B_a&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The increase in liabilities arising from financing activities resulting from new leases. [Refer: Liabilities arising from financing activities] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2019-01-01 -Section A Statement of cash flows for an entity other than a financial institution -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2019-en-r&doctype=Illustrative%20Examples&dita_xref=IAS07_IE_A_TI -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2019-01-01 -Paragraph 44B -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2019-en-r&anchor=para_44B&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of liabilities for which cash flows were, or future cash flows will be, classified in the statement of cash flows as cash flows from financing activities. [Refer: Cash flows from (used in) financing activities; Liabilities] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2019-01-01 -Paragraph 44D -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2019-en-r&anchor=para_44D&doctype=Standard -URIDate 2019-03-27 + Details
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