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Interest (Details) - USD ($) $ in Thousands | 12 Months Ended
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Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2023
Real Estate Inventory, Capitalized Interest Costs [Roll Forward] |  |  |
Capitalized interest in inventory, beginning of period | $ 124,182 | $ 112,580 | $ 109,088
Interest incurred | 86,529 | 79,835 | 71,981
Capitalized interest impaired | (1,462) | 0 | 0
Capitalized interest amortized to home construction and land sales expenses | (77,404) | (68,233) | (68,489)
Capitalized interest in inventory, end of period | $ 131,845 | $ 124,182 | $ 112,580

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- Definition Real Estate Inventory, Capitalized Interest Costs, Impaired + References No definition available. + Details
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- Definition Carrying amount as of the balance sheet date of interest costs that were capitalized to properties under development during the land development and construction period of a project, and which are included in inventory. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 835 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483013/835-20-50-1 + Details
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- Definition Amount of interest cost charged to cost of sales that had been previously capitalized to inventory. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 835 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483013/835-20-50-1 + Details
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- Definition The amount of interest capitalized to an operative builder's inventory during the period. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 835 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483013/835-20-50-1 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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