XML 53 R22.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Capital Management and Dividends | 12 Months Ended
--- | ---
Mar. 31, 2017
Text Block [Abstract] |
Capital Management and Dividends | 16. Capital Management and Dividends 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
During the fiscal year 2017, the Company announced a share buyback program (the “fiscal 2017 program”) to acquire up to US$100.0 million of its issued capital in the twelve months through May 2017. Under this program, the Company repurchased and cancelled 6,090,133 shares of its common stock during the second quarter of fiscal year 2017. The aggregate cost of the shares repurchased and cancelled was A$131.4 million (US$99.8 million), at an average market price of A$21.58 (US$16.40). Subsequent to 31 March 2017, the Company announced an ordinary dividend of US28.0 cents per security, with a record date of 8 June 2017 and a payment date of 4 August 2017.

X
- Definition The entire disclosure for capital management and dividends.Includes, but is not limited to, the dividend US$ total, announcement date, record date and payment date. + References No definition available. + Details
Name: | jhx_CapitalManagementAndDividendsTextBlock
Namespace Prefix: | jhx_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_TextBlockAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration