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Real Estate (Tables) | 9 Months Ended
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Jun. 30, 2020
Real Estate [Abstract] |
Schedule of Real Estate Properties | Real estate consists of:
| June 30, 2020 |  | September 30, 2019
| (In millions) |  |
Developed and under development projects | $ | 1,271.7 |  |  | $ | 1,011.8 |
Undeveloped land | 15.4 |  |  | 17.1 |
| $ | 1,287.1 |  |  | $ | 1,028.9 |

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- Definition Tabular disclosure of real estate properties and units in those properties that are included in the discussion of the nature of an entity's operations. + References No definition available. + Details
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