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SHARE CAPITAL, EARNINGS PER SHARE AND DIVIDENDS (Tables)
12 Months Ended
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