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Capital Management and Dividends (Tables)
12 Months Ended
Mar. 31, 2018
Text Block [Abstract]  
Summary of Dividends Declared or Paid
The following table summarizes the dividends paid during the fiscal years 2018, 2017 and 2016:
(Millions of US dollars)
US
Cents/Security
 
US$ Millions
Total Amount
 
Announcement Date
 
Record Date
 
Payment Date
FY 2018 first half dividend
0.10
 
46.2
 
9 November 2017
 
13 December 2017
 
23 February 2018
FY 2017 second half dividend
0.28
 
131.3
 
18 May 2017
 
8 June 2017
 
4 August 2017
FY 2017 first half dividend
0.10
 
46.6
 
17 November 2016
 
21 December 2016
 
24 February 2017
FY 2016 second half dividend
0.29
 
130.2
 
19 May 2016
 
9 June 2016
 
5 August 2016
FY 2016 first half dividend
0.09
 
39.7
 
19 November 2015
 
23 December 2015
 
26 February 2016
FY 2015 special dividend
0.22
 
92.8
 
21 May 2015
 
11 June 2015
 
7 August 2015
FY 2015 second half dividend
0.27
 
114.0
 
21 May 2015
 
11 June 2015
 
7 August 2015