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Dividends (Tables) | 12 Months Ended
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Mar. 31, 2021
Dividends [Abstract] |
Summary of Dividends Declared or Paid | The following table summarizes the dividends declared or paid during the fiscal years 2021, 2020 and 2019:
(Millions of US dollars) | US Cents/Security |  | US$ Millions Total Amount |  | Announcement Date |  | Record Date |  | Payment Date
FY 2021 special dividend | 0.70 |  | 309.6 |  | 10 February 2021 |  | 19 February 2021 |  | 30 April 2021
FY 2020 first half dividend 1 | 0.10 |  | 44.7 |  | 7 November 2019 |  | 18 November 2019 |  | 20 December 2019
FY 2019 second half dividend | 0.26 |  | 113.9 |  | 21 May 2019 |  | 6 June 2019 |  | 2 August 2019
FY 2019 first half dividend | 0.10 |  | 43.6 |  | 8 November 2018 |  | 12 December 2018 |  | 22 February 2019
FY 2018 second half dividend | 0.30 |  | 128.5 |  | 22 May 2018 |  | 7 June 2018 |  | 3 August 2018

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- Definition Tabular disclosure of information related to dividends declared, including paid and unpaid dividends. + References No definition available. + Details
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