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Share-based Payments (Tables) | 9 Months Ended
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May 31, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Share-based Payment Expense and Shares Issued Upon Exercise of Options | The following table presents share-based payment expense and new shares issued upon exercise of stock options for the three and nine months ended May 31, 2019 and 2018 (in millions, except shares):
| Three Months Ended |  | Nine Months Ended
| May 31, 2019 |  | May 31, 2018 |  | May 31, 2019 |  | May 31, 2018
Share-based payment expense | $ | 7.6 |  |  | $ | 7.6 |  |  | $ | 22.9 |  |  | $ | 24.4 |
Shares issued from option exercises | — |  |  | — |  |  | — |  |  | 9,364 |

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