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SHARE CAPITAL, EARNINGS PER SHARE AND DIVIDENDS (Tables)
12 Months Ended
Mar. 31, 2020
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:
 
 
2020

 
2019

Weighted average number of common shares outstanding
 
265,951,131

 
266,580,019

Effect of dilutive stock options
 
1,644,353

 
1,394,135

Weighted average number of common shares outstanding for diluted earnings per share calculation
 
267,595,484

 
267,974,154