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SHARE CAPITAL, EARNINGS PER SHARE AND DIVIDENDS (Tables) | 12 Months Ended
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Mar. 31, 2018
Share Capital, Reserves And Other Equity Interest [Abstract] |
Earnings per share | Earnings per share computation The denominators for the basic and diluted earnings per share computations are as follows:
|  | 2018 |  |  | 2017 |
Weighted average number of common shares outstanding |  | 268,235,077 |  |  | 268,693,589 |
Effect of dilutive stock options |  | 1,219,713 |  |  | 903,690 |
Weighted average number of common shares outstanding for diluted earnings per share calculation |  | 269,454,790 |  |  | 269,597,279 |

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- Definition The disclosure of earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2017-01-01 -Paragraph 66 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=33&date=2017-03-01&anchor=para_66&doctype=Standard -URIDate 2017-03-09 + Details
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