Capital Stock (Tables)

12 Months Ended

Sep. 30, 2020

Equity [Abstract]

Schedule of Common Stock Outstanding

A summary of the changes in common shares in fiscal year 2020 is presented below:

Year Ended 30 September	2020	2019	2018
Number of common shares outstanding, beginning of year	220,415,262	219,515,245	218,346,074
Issuance of treasury shares for stock option and award plans	602,197	900,017	1,169,171
Number of common shares outstanding, end of year	221,017,459	220,415,262	219,515,245