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v3.25.1

Capitalized Interest (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2025 | Mar. 31, 2024
Rollforward of capitalized interest |  |  |  |
Capitalized interest, beginning of period | $ 371.5 | $ 301.0 | $ 355.1 | $ 286.4
Interest incurred | 55.2 | 50.5 | 101.9 | 93.1
Interest charged to cost of sales | (32.2) | (32.8) | (62.5) | (60.8)
Capitalized interest, end of period | 394.5 | 318.7 | 394.5 | 318.7
Financial Services [Member] |  |  |  |
Rollforward of capitalized interest |  |  |  |
Interest incurred | 7.4 | 13.4 | 15.5 | 28.3
Forestar Group [Member] |  |  |  |
Rollforward of capitalized interest |  |  |  |
Interest incurred | 10.6 | 8.2 | 18.8 | 16.3
Rental |  |  |  |
Rollforward of capitalized interest |  |  |  |
Interest incurred | $ 16.4 | $ 17.6 | $ 28.8 | $ 25.8

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- Definition Total interest costs incurred during the period and either capitalized or charged against earnings. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -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 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 835 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483013/835-20-50-1 + 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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