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Capital Stock (Tables)

12 Months Ended

Sep. 30, 2014

Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]

Schedule of Common Stock Outstanding Roll Forward [Table Text Block]

Common stock share activity is presented below.

Shares outstanding at September 30, 2011	155,793,612
Exercise of stock options	8,552
Exercise of employee stock purchase plan instruments	339,242
Vesting of restricted stock units, net of shares withheld for taxes	699,242
Shares outstanding at September 30, 2012	156,840,648
Exercise of stock options	384,475
Exercise of employee stock purchase plan instruments	290,173
Vesting of restricted stock units, net of shares withheld for taxes	719,004
Shares outstanding at September 30, 2013	158,234,300
Exercise of employee stock purchase plan instruments	204,360
Exercise of stock options	587,964
Vesting of restricted stock units, net of shares withheld for taxes	734,047
Shares outstanding at September 30, 2014	159,760,671

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Tabular disclosure of the change in common stock outstanding.

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