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Capital Structure (Tables)
6 Months Ended
Dec. 31, 2018
Capital Structure [Abstract]  
Schedule Of Number Of Shares, Net Of Treasury
  December 31, December 31,  
  2018 2017  
 
Number of shares, net of treasury:      
Statement of changes in equity 56,833,925 56,832,370  
Less: Non-vested equity shares that have not vested (Note 13) 860,817 (911,856 )
Number of shares, net of treasury excluding non-vested      
equity shares that have not vested 55,973,108 55,920,514