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LONG-TERM DEBT (Details) - USD ($) $ in Millions | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
LONG-TERM DEBT |  |  |
Non-current portion of non-current borrowings |  | $ 1,007.7 | $ 889.5
Two Thousand Twenty Two Unsecured Notes [Member] |  |  |
LONG-TERM DEBT |  |  |
Non-current portion of non-current borrowings | [1] | 494.3 | 493.4
Revolving credit facility1 [Member] |  |  |
LONG-TERM DEBT |  |  |
Non-current portion of non-current borrowings | [2] | 230.0 | 100.0
Two Thousand Twenty Unsecured Notes [Member] |  |  |
LONG-TERM DEBT |  |  |
Non-current portion of non-current borrowings | [3] | 0.0 | 296.1
Two Thousand Twenty Five Unsecured Notes [Member] |  |  |
LONG-TERM DEBT |  |  |
Non-current portion of non-current borrowings | [3] | $ 283.4 | $ 0.0
[1] | Senior Unsecured Notes – due November 15, 2022
[2] | Credit Facility
[3] | Senior Unsecured Notes – due May 15, 2025 and Senior Unsecured Notes – due April 15, 2020

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- Definition The non-current portion of non-current borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_55&doctype=Standard -URIDate 2017-03-09 + Details
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Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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- Details
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- Details
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Period Type: |

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- Details
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Balance Type: |
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- Details
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