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CAPITAL RISK MANAGEMENT (Details) $ in Millions | Mar. 31, 2019 CAD ($) | Mar. 31, 2018 CAD ($) | Apr. 01, 2017 CAD ($) | Mar. 31, 2017 CAD ($)
--- | --- | --- | --- | ---
Capital Risk Management [Abstract] |  |  |  |
Long-term debt | $ 2,328.3 | $ 1,260.9 |  |
Less: cash and cash equivalents | (446.1) | (611.5) | $ (504.7) | $ (504.7)
Net debt | 1,882.2 | 649.4 |  |
Equity | 2,410.0 | 2,297.5 | $ 2,012.3 | $ 2,012.3
Total net debt plus equity | $ 4,292.2 | $ 2,946.9 |  |
Net debt: equity | 0.2744 | 0.3607 |  |

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- Definition Capital Risk Management [Abstract] + References No definition available. + Details
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- Definition The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_45&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2018-01-01 -Paragraph B13 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2018-03-01&anchor=para_B13_a&doctype=Appendix&seq=2 -URIDate 2018-03-16 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 54 -Subparagraph i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_54_i&doctype=Standard -URIDate 2018-03-16 + Details
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