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Capital Management and Dividends (Tables) | 12 Months Ended
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Mar. 31, 2017
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Summary of Dividends Declared or Paid | The following table summarizes the dividends declared or paid during the fiscal years 2017, 2016 and 2015:
(Millions of US dollars) |  | US Cents/Security |  | US$ Millions Total Amount |  |  | Announcement Date |  | Record Date |  | Payment Date
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
FY 2015 first half dividend |  | 0.08 |  |  | 34.2 |  |  | 19 November 2014 |  | 23 December 2014 |  | 27 February 2015
FY 2014 special dividend |  | 0.20 |  |  | 89.0 |  |  | 22 May 2014 |  | 12 June 2014 |  | 8 August 2014
FY 2014 second half dividend |  | 0.32 |  |  | 142.3 |  |  | 22 May 2014 |  | 12 June 2014 |  | 8 August 2014
125 year anniversary special dividend |  | 0.28 |  |  | 124.6 |  |  | 28 February 2014 |  | 21 March 2014 |  | 30 May 2014

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