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Capital Stock (Tables)
12 Months Ended
Sep. 30, 2015
Capital Stock [Abstract]  
Schedule of Common Stock Outstanding Roll Forward [Table Text Block]
The following table reflects the changes in common shares:
Year ended 30 September201520142013
Number of Common Shares Outstanding
Balance, beginning of year213,538,144211,179,257212,475,880
Purchase of treasury shares--(5,721,017)
Issuance of treasury shares for stock option and award plans1,820,9692,358,8874,424,394
Balance, end of year215,359,113213,538,144211,179,257