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CAPITAL RISK MANAGEMENT (Tables)
 12 Months Ended
Mar. 31, 2018
Capital Risk Management [Abstract]  
Disclosure of detailed information about capital risk management
The level of debt versus equity in the capital structure is monitored, and the ratios are as follows:
 
 
2018

 
2017

Total debt (Note 12)
 
$
1,260.9

 
$
1,255.4

Less: cash and cash equivalents
 
(611.5
)
 
(504.7
)
Net debt
 
$
649.4

 
$
750.7

Equity
 
2,366.6

 
2,081.0

Total net debt plus equity
 
$
3,016.0

 
$
2,831.7

Net debt: equity
 
22:78

 
27:73