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SHARE CAPITAL, EARNINGS PER SHARE AND DIVIDENDS (Tables)
12 Months Ended
Mar. 31, 2019
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:
 
 
2019

 
2018

Weighted average number of common shares outstanding
 
266,580,019

 
268,235,077

Effect of dilutive stock options
 
1,394,135

 
1,219,713

Weighted average number of common shares outstanding for diluted earnings per share calculation
 
267,974,154

 
269,454,790