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DEBT FACILITIES - Long-term Debt (Details) - CAD ($) $ in Millions | Mar. 31, 2019 | Mar. 31, 2018 | Apr. 01, 2017 | Mar. 31, 2017
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Disclosure of detailed information about borrowings [line items] |  |  |  |
Debt | $ 2,328.3 | $ 1,260.9 |  |
Less: current portion of long-term debt | 201.3 | 35.2 |  |
Less: current portion of long-term debt | 62.8 | 17.0 |  |
Long-term debt, net | 2,064.2 | 1,208.7 | $ 1,203.5 | $ 1,203.5
Recourse Debt |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Debt | 2,275.3 | 1,174.9 |  |
Non-recourse Debt |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Debt | $ 53.0 | $ 86.0 |  |

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- Definition Long-term Debt, Finance Leases, Current Portion + References No definition available. + Details
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- Definition The amount of outstanding funds that the entity is obligated to repay. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_55&doctype=Standard -URIDate 2018-03-16 + Details
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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 2018-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_55&doctype=Standard -URIDate 2018-03-16 + Details
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- Details
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- Details
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