Common Stock (Number Of Shares, Net Of Treasury) (Details) - shares	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Common Stock [Abstract]
Statement of changes in equity - common stock	56,685,925	56,369,737	55,271,954
Less: Non-vested equity shares that have not vested as of end of year (Note 18)	765,411	505,473	589,447
Number of shares, net of treasury excluding non-vested equity shares that have not vested	55,920,514	55,864,264	54,682,507