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CAPITAL RISK MANAGEMENT (Tables) | 12 Months Ended
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Dec. 31, 2017
Capital risk management [Abstract] |
Detailed Information Of Capital [Text Block] | In the management of capital, the Company includes the components of equity, long-term debt, net of cash and cash equivalents, and investments.
| Year ended December 31
(in millions of U.S. dollars) | 2017 | 2016
Capital (as defined above) is summarized as follows |  |
Equity | 2,139.5 | 2,073.2
Long-term debt | 1,007.7 | 889.5
| 3,147.2 | 2,962.7
Cash and cash equivalents | (216.2) | (185.9)
Total | 2,931.0 | 2,776.8

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- Definition The detailed information relating to capital of the company. + References No definition available. + Details
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