| Dividend | 
            Amount
  | 
            Ex-dividend date | 
            Payment date | 
          
          
            Year ended 30 June 2018 
            Final Dividend | 
            2.54p | 
            26th Oct 2018 | 
            26th Nov 2018 | 
          
           
            Year ended 30 June 2017 
            Final Dividend | 
            2.42p | 
            26th Oct 2017 | 
            27th Nov 2017 | 
          
 
          
            Year ended 30 June 2016 
            Final Dividend | 
            2.405p | 
            28th Oct 2016 | 
            28th Nov 2016 | 
          
          
          
            Year ended 30 June 2015 
            Final Dividend | 
            2.405p | 
            29th Oct 2015 | 
            27th Nov 2015 | 
          
          
            Year ended 30 June 2014 
            Final Dividend | 
            3.7p | 
            30th Oct 2014 | 
            24th Nov 2014 | 
          
          
            Year ended 30 June 2013 
            Final Dividend | 
            3.6p | 
            1st Nov 2013 | 
            25th Nov 2013 | 
          
          
            Year ended 30 June 2012 
            Final Dividend | 
            3.5p | 
            2nd Nov 2012 | 
            23rd Nov 2012 | 
          
          
            Year ended 30 June 2011 
            Final Dividend | 
            20.0p | 
            4th Nov 2011 | 
            28th Nov 2011 | 
          
          
            Year ended 30 June 2010 
            Final Dividend | 
            5.0p | 
            24th Nov 2010 | 
            10th Dec 2010 | 
          
          
            Year ended 30 June 2010 
            Initial Interim Dividend | 
            12.0p | 
            3rd Mar 2010 | 
            31st Mar 2010 | 
          
          
            Year ended 30 June 2009 
            Interim Dividend | 
            14.0p | 
            2nd Dec 2009 | 
            23rd Dec 2009 | 
          
          
            Year ended 30 June 2008 
            Interim Dividend | 
            14.0p | 
            1st Oct 2008 | 
            24th Oct 2008 | 
          
          
            Year ended 30 June 2007 
            Interim Dividend | 
            13.2p  | 
            3rd Oct 2007 | 
            25th Oct 2007 | 
          
          
            | 18 month period ended 30 June 2006 - 
            First and final dividend | 
            12.0p | 
            22nd Sep 2006 | 
            26th Oct 2006 | 
          
          
            Year ended 31 December 2004 
            First and final dividend 
  | 
            11.5p
  | 
            17th Jun 2005 | 
            26th Oct 2005 | 
          
          
            Year ended 31 December 2003 
            First and final dividend
  | 
            11.0p | 
            30th Jul 2004 | 
            25th Oct 2004 | 
          
          
            Year ended 31 December 2002 
            First and final dividend 
  | 
            10.5p | 
            31st Jul 2003 | 
            25th Oct 2003 | 
          
          
            Year ended 31 December 2001 
            First and final dividend 
  | 
            10.5p | 
            20th Sep 2002 | 
            26th Oct 2002 |