Capital Structure (Schedule Of Number Of Shares, Net Of Treasury) (Details) - shares	Mar. 31, 2019	Mar. 31, 2018
Capital Structure [Abstract]
Number of shares, net of treasury: Statement of changes in equity	56,815,925	56,855,187
Less: Non-vested equity shares that have not vested (Note 14)	(831,408)	(934,673)
Number of shares, net of treasury excluding non-vested equity shares that have not vested	55,984,517	55,920,514