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Earnings per Share | 12 Months Ended
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Sep. 30, 2023
Earnings Per Share [Abstract] |
Earnings per Share | Earnings per Share The weighted average common shares used in the computations of basic and diluted earnings per share (shares in thousands) for the years ended September 30 were as follows:
| 2023 |  | 2022 |  | 2021
Average common shares outstanding | 286,282 |  |  | 285,005 |  |  | 289,288 |
Dilutive share equivalents from share-based plans (a) (b) | 2,110 |  |  | 2,333 |  |  | 2,801 |
Dilutive share equivalents from Series C preferred shares (c) | — |  |  | 26 |  |  | — |
Average common and common equivalent shares outstanding — assuming dilution | 288,392 |  |  | 287,364 |  |  | 292,089 |
(a)In 2023, 2022 and 2021, dilutive share equivalents associated with mandatory convertible preferred stock of 4 million, 6 million and 6 million, respectively, were excluded from the diluted shares outstanding calculation because the result would have been antidilutive. All of the mandatory convertible preferred shares outstanding were converted during fiscal year 2023, as further discussed in Note 4. (b)In 2021, 1 million of certain share-based compensation awards were excluded from the diluted earnings per share calculation as the exercise prices of these awards were greater than the average market price of the Company’s common shares. In both 2023 and 2022, no such awards were excluded from the diluted earnings per share calculation. Additional disclosures regarding the Company’s share-based compensation are provided in Note 9. (c)Represents dilutive share equivalents from Series C preferred shares that temporarily replaced shares of common stock held in trusts to adhere to trust requirements until the Company’s spin-off of its Diabetes Care business on April 1, 2022 was completed.

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