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v3.21.2

Property and Equipment (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Sep. 30, 2020
Property, Plant and Equipment [Line Items] |  |  |  |  |
Property, Plant and Equipment, Net | $ 367.0 |  | $ 367.0 |  | $ 683.7
Depreciation | 14.7 | $ 17.1 | 49.5 | $ 51.6 |
Rental properties | 722.3 |  | 722.3 |  | 0.0
Intersegment Eliminations [Member] |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Property, Plant and Equipment, Net | 0.0 |  | 0.0 |  | (3.0)
Rental properties | (17.1) |  | (17.1) |  |
Other Segments [Member] |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment | (26.6) |  | (26.6) |  | (28.2)
Property, Plant and Equipment, Net | 81.1 |  | 81.1 |  | 308.9
Other Segments [Member] | Multifamily [Member] |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Property, Plant and Equipment, Gross |  |  |  |  | 232.1
Rental properties | 436.3 |  | 436.3 |  |
Other Segments [Member] | Furniture and Fixtures [Member] |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Property, Plant and Equipment, Gross | 16.5 |  | 16.5 |  | 15.6
Other Segments [Member] | Other Assets [Member] |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Property, Plant and Equipment, Gross | 75.1 |  | 75.1 |  | 69.7
Other Segments [Member] | LandMember |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Property, Plant and Equipment, Gross | 16.1 |  | 16.1 |  | 19.7
Forestar Group [Member] |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Property, Plant and Equipment, Net | 2.2 |  | 2.2 |  | 1.1
Rental properties | 0.0 |  | 0.0 |  |
Financial Services [Member] |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Property, Plant and Equipment, Net | 3.4 |  | 3.4 |  | 3.9
Rental properties | 0.0 |  | 0.0 |  |
HomeBuildingMember |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment | (268.4) |  | (268.4) |  | (256.2)
Property, Plant and Equipment, Net | 280.3 |  | 280.3 |  | 372.8
HomeBuildingMember | Single Family [Member] |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Property, Plant and Equipment, Gross |  |  |  |  | 87.2
Rental properties | 303.1 |  | 303.1 |  |
HomeBuildingMember | Building and Building Improvements [Member] |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Property, Plant and Equipment, Gross | 277.0 |  | 277.0 |  | 267.4
HomeBuildingMember | 2510 Household Furniture [Member] |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Property, Plant and Equipment, Gross | 133.9 |  | 133.9 |  | 134.0
HomeBuildingMember | Furniture and Fixtures [Member] |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Property, Plant and Equipment, Gross | 105.6 |  | 105.6 |  | 108.1
HomeBuildingMember | LandMember |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Property, Plant and Equipment, Gross | 32.2 |  | 32.2 |  | 32.3
MultifamilyMember |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Property, Plant and Equipment, Gross | 0.0 |  | 0.0 |  | 232.1
MultifamilyMember | LandMember |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Property, Plant and Equipment, Gross | 0.0 |  | 0.0 |  | 58.3
MultifamilyMember | Property, Plant and Equipment, Other Types |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Property, Plant and Equipment, Gross | 0.0 |  | 0.0 |  | 173.8
SingleFamilyMember |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Property, Plant and Equipment, Gross | 0.0 |  | 0.0 |  | 87.2
SingleFamilyMember | LandMember |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Property, Plant and Equipment, Gross | 0.0 |  | 0.0 |  | 19.1
SingleFamilyMember | Property, Plant and Equipment, Other Types |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Property, Plant and Equipment, Gross | $ 0.0 |  | $ 0.0 |  | $ 68.1

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