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v2.4.0.8

Capital Stock (Details) | 12 Months Ended
--- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2012
Outstanding Shares [Roll Forward] |  |  |
Shares outstanding | 158,234,300 | 156,840,648 | 155,793,612
Exercised stock options | 587,964 | 384,475 | 8,552
Exercise of employee stock purchase plan | 204,360 | 290,173 | 339,242
Vesting of restricted stock units, net of shares withheld | 734,047 | 719,004 | 699,242
Shares outstanding | 159,760,671 | 158,234,300 | 156,840,648

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