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Capital Structure (Tables)
3 Months Ended
Sep. 30, 2019
Capital Structure [Abstract]  
Schedule Of Number Of Shares, Net Of Treasury
  September 30, September 30,
  2019 2018
 
Number of shares, net of treasury:    
Statement of changes in equity 56,568,425 56,833,925
Less: Non-vested equity shares that have not vested (Note 14) 583,908 860,817
Number of shares, net of treasury excluding non-vested    
equity shares that have not vested 55,984,517 55,973,108