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Other Assets, Accrued Expenses and Other Liabilities (Details) - USD ($) $ in Millions | Jun. 30, 2022 | Sep. 30, 2021
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Schedule of Other Assets, Accrued Expenses and Other Liabilities [Line Items] |  |
Earnest money notes receivable on sales contracts | $ 0.0 | $ 0.7
Receivables, net | 14.9 | 0.4
Lease right of use assets | 7.8 | 6.9
Prepaid expenses | 25.5 | 15.4
Land purchase contract deposits | 11.2 | 10.4
Other assets | 1.9 | 5.3
Total Other assets | 61.3 | 39.1
Accrued employee compensation and benefits | 8.3 | 7.9
Accrued property taxes | 4.8 | 3.4
Lease liabilities | 8.4 | 7.3
Accrued interest | 7.8 | 8.5
Contract with Customer, Liability, Current | 17.0 | 5.8
Deferred income | 4.1 | 6.8
Income taxes payable | 12.5 | 6.8
Other accrued expenses | 3.6 | 8.9
Other liabilities | 1.0 | 1.3
Total Accrued expenses and other liabilities | 67.5 | $ 56.7
Deferred Development Project |  |
Schedule of Other Assets, Accrued Expenses and Other Liabilities [Line Items] |  |
Contract with Customer, Liability, Current | $ 13.2 |

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