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Earnings Per Share | 12 Months Ended
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Sep. 30, 2015
Earnings Per Share [Abstract] |
Earnings Per Share | Note 19 — Earnings Per Share The following table sets forth the computation of basic and diluted earnings per share:
|  | Year Ended September 30, |
|  | 2015 |  |  | 2014 |  |  | 2013 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Numerator for basic and diluted earnings per share |  | $ | 441,596 |  |  | $ | 422,122 |  |  | $ | 412,439 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Denominator for basic earnings per share — weighted average number of shares outstanding |  |  | 152,832 |  |  |  | 159,012 |  |  |  | 161,330 |
Effect of assumed conversion of 0.50% convertible notes |  |  | 14 |  |  |  | 20 |  |  |  | 24 |
Effect of dilutive stock options granted |  |  | 2,372 |  |  |  | 2,334 |  |  |  | 1,764 |
Denominator for dilutive earnings per share — adjusted weighted average shares and assumed conversions |  |  | 155,218 |  |  |  | 161,366 |  |  |  | 163,118 |
Basic earnings per share |  | $ | 2.89 |  |  | $ | 2.65 |  |  | $ | 2.56 |
Diluted earnings per share |  | $ | 2.85 |  |  | $ | 2.62 |  |  | $ | 2.53 |
The numerator for basic and diluted earnings per share excludes income attributable to participating restricted shares, and the denominator for basic and diluted earnings per share does not include shares attributable to participating restricted shares. The weighted average effect of the repurchase of ordinary shares by the Company has been included in the calculation of basic earnings per share. For the fiscal years ended September 30, 2015, 2014 and 2013, 724, 1,064 and 3,005 shares, respectively, on a weighted average basis, were attributable to antidilutive outstanding stock options and therefore were not included in the calculation of diluted earnings per share.

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