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v3.20.2

Notes Payable (Details) - USD ($) $ in Millions | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2020 | May 01, 2020 | Feb. 01, 2020 | Oct. 01, 2019 | Sep. 30, 2019
Debt Instrument [Line Items] |  |  |  |  |
Document Period End Date | Jun. 30, 2020 |  |  |  |
Unsecured: |  |  |  |  |
Notes payable | $ 4,297.3 |  |  |  | $ 3,399.4
Home Building [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Repurchase Authorization Remaining | 500.0 |  |  |  |
Unsecured: |  |  |  |  |
Notes payable | 2,490.3 |  |  |  | 2,047.6
Unamortized Debt Issuance Expense | 11.7 |  |  |  | 5.4
Forestar Group [Member] |  |  |  |  |
Unsecured: |  |  |  |  |
Notes payable | 640.6 |  |  |  | 460.5
Unamortized Debt Issuance Expense | 9.4 |  |  |  | 6.2
Financial Services [Member] |  |  |  |  |
Unsecured: |  |  |  |  |
Notes payable | 1,172.9 |  |  |  | 888.9
Forestar Group [Member] |  |  |  |  |
Unsecured: |  |  |  |  |
Notes payable | 640.6 |  |  |  | 462.9
Revolving credit facility | 0.0 |  |  |  | 0.0
Home Building Consolidated |  |  |  |  |
Unsecured: |  |  |  |  |
Notes payable | 2,483.8 |  |  |  | 2,047.6
Revolving credit facility | 0.0 |  |  |  | 0.0
Line of Credit, Current | $ 0.0 |  |  |  | 0.0
4.0% senior notes due 2020 [Member] | Home Building [Member] |  |  |  |  |
Unsecured: |  |  |  |  |
Stated interest rate | 4.00% |  |  |  |
4.0% senior notes due 2020 [Member] | Home Building Consolidated |  |  |  |  |
Unsecured: |  |  |  |  |
Stated interest rate | 4.00% |  |  |  |
Notes payable | $ 0.0 |  |  |  | 499.6
2.55% senior notes due 2020 [Member] | Home Building Consolidated |  |  |  |  |
Unsecured: |  |  |  |  |
Stated interest rate | 2.55% |  |  |  |
Notes payable | $ 399.6 |  |  |  | 398.9
4.375% senior notes due 2022 [Member] | Home Building Consolidated |  |  |  |  |
Unsecured: |  |  |  |  |
Stated interest rate | 4.375% |  |  |  |
Notes payable | $ 349.1 |  |  |  | 348.8
4.75% senior notes due 2023 [Member] | Home Building Consolidated |  |  |  |  |
Unsecured: |  |  |  |  |
Stated interest rate | 4.75% |  |  |  |
Notes payable | $ 299.2 |  |  |  | 298.9
5.75% senior notes due 2023 [Member] | Home Building Consolidated |  |  |  |  |
Unsecured: |  |  |  |  |
Stated interest rate | 5.75% |  |  |  |
Notes payable | $ 398.6 |  |  |  | 398.4
SeniorNoteFortyTwo [Member] | Home Building [Member] |  |  |  |  |
Unsecured: |  |  |  |  |
Stated interest rate |  |  |  | 2.50% |
Debt Instrument, Interest Rate, Effective Percentage |  |  |  | 2.70% |
SeniorNoteFortyTwo [Member] | Home Building Consolidated |  |  |  |  |
Unsecured: |  |  |  |  |
Stated interest rate | 2.50% |  |  |  |
Notes payable | $ 496.2 |  |  |  | 0.0
3.75% convertible senior notes due 2020 [Member] | Forestar Group [Member] |  |  |  |  |
Unsecured: |  |  |  |  |
Stated interest rate | 3.75% |  |  |  |
3.75% convertible senior notes due 2020 [Member] | Forestar Group [Member] |  |  |  |  |
Unsecured: |  |  |  |  |
Stated interest rate | 3.75% |  |  |  |
Notes payable | $ 0.0 |  |  |  | 119.1
Senior Note Member Forty One [Member] | Forestar Group [Member] |  |  |  |  |
Unsecured: |  |  |  |  |
Stated interest rate | 8.00% |  |  |  |
Senior Note Member Forty One [Member] | Forestar Group [Member] |  |  |  |  |
Unsecured: |  |  |  |  |
Stated interest rate | 8.00% |  |  |  |
Notes payable | $ 344.8 |  |  |  | 343.8
Senior Note Member Forty Three | Forestar Group [Member] |  |  |  |  |
Unsecured: |  |  |  |  |
Stated interest rate |  |  | 5.00% |  |
Debt Instrument, Interest Rate, Effective Percentage |  |  | 5.20% |  |
Senior Note Member Forty Three | Forestar Group [Member] |  |  |  |  |
Unsecured: |  |  |  |  |
Stated interest rate | 5.00% |  |  |  |
Notes payable | $ 295.8 |  |  |  | 0.0
SeniorNoteFortyFour | Home Building [Member] |  |  |  |  |
Unsecured: |  |  |  |  |
Stated interest rate |  | 2.60% |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  | 2.80% |  |  |
SeniorNoteFortyFour | Home Building Consolidated |  |  |  |  |
Unsecured: |  |  |  |  |
Stated interest rate | 2.60% |  |  |  |
Notes payable | $ 494.8 |  |  |  | 0.0
Secured Debt [Member] | Home Building Consolidated |  |  |  |  |
Unsecured: |  |  |  |  |
Notes payable | $ 46.3 |  |  |  | $ 103.0

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