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Inventory (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2024 | Mar. 31, 2023
Inventory [Line Items] |  |  |  |
Carrying Value of Communities Impaired | $ 30.7 |  | $ 30.7 |
Impairment charges | 5.6 | $ 9.2 | 5.6 | $ 14.0
Write-offs (recoveries) of earnest money deposits and pre-acquisition costs | $ 8.0 | $ 14.6 | $ 14.0 | $ 37.4

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- Definition Carrying Value of Communities Impaired + References No definition available. + Details
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- Definition The net write-off or recovery of earnest money deposits and pre-acquisition costs related to land option contracts during the period. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 330 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483080/330-10-50-2 + Details
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