XML 51 R38.htm IDEA: XBRL DOCUMENT
v3.26.1

Capitalized Interest (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025
Rollforward of capitalized interest |  |  |  |
Capitalized interest, beginning of period | $ 485.8 | $ 394.5 | $ 438.7 | $ 355.1
Interest incurred | 73.4 | 71.3 | 189.9 | 173.2
Interest charged to cost of sales | (46.1) | (38.4) | (115.5) | (100.9)
Capitalized interest, end of period | 513.1 | 427.4 | 513.1 | 427.4
Financial Services [Member] |  |  |  |
Rollforward of capitalized interest |  |  |  |
Interest incurred | 7.6 | 10.3 | 16.6 | 25.8
Forestar Group [Member] |  |  |  |
Rollforward of capitalized interest |  |  |  |
Interest incurred | 12.4 | 13.4 | 37.4 | 32.3
Rental |  |  |  |
Rollforward of capitalized interest |  |  |  |
Interest incurred | $ 10.1 | $ 16.6 | $ 29.5 | $ 45.3

X
- 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
Name: | us-gaap_InterestCostsIncurred
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- 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
Name: | us-gaap_RealEstateInventoryCapitalizedInterestCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- 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
Name: | us-gaap_RealEstateInventoryCapitalizedInterestCostsCostOfSales1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- 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
Name: | us-gaap_RealEstateInventoryCapitalizedInterestCostsRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=dhi_FinancialServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=dhi_ForestarGroupMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=dhi_RentalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |