Advance Pay Downs on Mortgage Repurchase Facility

No definition available.

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- Definition

The total repurchase amount authorized by an entity's Board of Directors under a debt repurchase plan.

+ References

No definition available.

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- Definition

Debt Instrument, Redemption, Accrued and Unpaid Interest

+ References

No definition available.

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Debt Instrument, Redemption, Call Premium

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Debt Instrument, Redemption Price

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No definition available.

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- Definition

The remaining repurchase amount authorized by an entity's Board of Directors under a debt repurchase plan.

+ References

No definition available.

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- Definition

Maximum borrowing capacity of letter of credit.

+ References

No definition available.

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Letter of Credit, Maximum Borrowing Capacity (in dollars)

+ References

No definition available.

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- Definition

Line of Credit Facility, Temporary Increase of Current Borrowing Capacity

+ References

No definition available.

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- Definition

Interest rate on the amount to be repaid to the counterparty to the repurchase agreement when the carrying amount (or market value, if higher than the carrying amount) of securities or other assets sold under the repurchase agreement exceeds 10 percent of total assets.

+ References

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Face (par) amount of debt instrument at time of issuance.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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- Definition

The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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The cash outflow for the settlement of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, as it matures.

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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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The aggregate amount of the participating mortgage obligation at the end of the accounting period.

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The carrying amount, as of the date of the latest financial statement presented, of loans receivable which are owned but transferred to serve as collateral for the payment of repurchase obligations, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party.

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- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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Notes Payable (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
Notes Payable (Details) - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Apr. 30, 2021	Oct. 31, 2020	Sep. 30, 2020	Sep. 30, 2019
Debt Instrument [Line Items]
Letters of Credit Outstanding, Amount	$ 219.5			$ 219.5
Notes payable	4,416.3			4,416.3				$ 4,283.3
Loss on extinguishment of debt	18.1		$ 0.0	18.1	$ 0.0
Intersegment Eliminations [Member]
Debt Instrument [Line Items]
Notes payable	(1.4)			(1.4)				(4.8)
Loss on extinguishment of debt	0.0			0.0
Forestar Group [Member]
Debt Instrument [Line Items]
Unamortized Debt Issuance Expense	8.4			8.4				8.9
Notes payable	704.1			704.1				641.1
Loss on extinguishment of debt	18.1			18.1
Financial Services [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity	1,400.0			1,400.0
Line of Credit Facility, Maximum Borrowing Capacity	1,800.0			1,800.0
Pledged Financial Instruments, Not Separately Reported, Loans Receivable, for Repurchase Agreements	1,500.0			1,500.0
Participating Mortgage Loans, Mortgage Obligations, Amount	1,500.0			$ 1,500.0
Advance Pay Downs on Mortgage Repurchase Facility	$ 410.2
Assets Sold under Agreements to Repurchase, Interest Rate	2.10%			2.10%
Notes payable	$ 1,093.6			$ 1,093.6				1,132.6
Loss on extinguishment of debt	0.0			0.0
Line of Credit Facility, Temporary Increase of Current Borrowing Capacity	1,600.0			1,600.0
Financial Services [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity	$ 1,600.0			$ 1,600.0
Forestar Group [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity						$ 410.0
Line of Credit Facility, Maximum Borrowing Capacity						600.0
Letters of credit, sublimit borrowing capacity, as a percentage	50.00%			50.00%
Revolving credit facility	$ 0.0			$ 0.0				0.0
Letters of Credit Outstanding, Amount	60.2			60.2
Line of Credit Facility, Remaining Borrowing Capacity	349.8			349.8
Debt Repurchase Authorization Remaining	30.0			30.0
Authorized Repurchase Of Debt Securities			$ 30.0		$ 30.0
Letter of Credit, Maximum Borrowing Capacity (in dollars)	100.0			100.0
Notes payable	704.1			704.1				641.1
Proceeds from Lines of Credit				25.0
Repayments of Lines of Credit				25.0
Home Building Consolidated
Debt Instrument [Line Items]
Unamortized Debt Issuance Expense	$ 12.3			$ 12.3				10.7
Line of Credit Facility, Current Borrowing Capacity						2,190.0
Line of Credit Facility, Maximum Borrowing Capacity						3,000.0
Letters of credit, sublimit borrowing capacity, as a percentage	100.00%			100.00%
Revolving credit facility	$ 0.0			$ 0.0				0.0
Letters of Credit Outstanding, Amount	159.3			159.3
Line of Credit Facility, Remaining Borrowing Capacity	2,030.0			2,030.0
Line of Credit, Current	0.0			0.0				0.0
Debt Repurchase Authorization Remaining	500.0			500.0
Authorized Repurchase Of Debt Securities									$ 500.0
Notes payable	2,618.6			2,618.6				2,509.6
Home Building Consolidated \| Short-term Debt [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity	$ 375.0			$ 375.0
2.55% senior notes due 2020 [Member] \| Home Building Consolidated
Debt Instrument [Line Items]
Maturities of Senior Debt		$ 400.0
Debt Instrument, Interest Rate, Stated Percentage	2.55%	2.55%		2.55%
Notes payable	$ 0.0			$ 0.0				399.8
4.375% senior notes due 2022 [Member] \| Home Building Consolidated
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.375%			4.375%
Notes payable	$ 349.5			$ 349.5				349.2
4.75% senior notes due 2023 [Member] \| Home Building Consolidated
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.75%			4.75%
Notes payable	$ 299.5			$ 299.5				299.2
5.75% senior notes due 2023 [Member] \| Home Building Consolidated
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.75%			5.75%
Notes payable	$ 399.0			$ 399.0				398.7
SeniorNoteFortyTwo [Member] \| Home Building Consolidated
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	2.50%			2.50%
Notes payable	$ 497.1			$ 497.1				496.5
SeniorNoteFortyFour \| Home Building Consolidated
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	2.60%			2.60%
Notes payable	$ 496.0			$ 496.0				495.1
Senior Note Forty Five \| Home Building Consolidated
Debt Instrument [Line Items]
Debt Instrument, Face Amount							$ 500.0
Debt Instrument, Interest Rate, Effective Percentage							1.60%
Debt Instrument, Interest Rate, Stated Percentage	1.40%			1.40%			1.40%
Notes payable	$ 494.7			$ 494.7				0.0
Senior Note Member Forty One [Member] \| Forestar Group [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 350.0			$ 350.0
Debt Instrument, Interest Rate, Stated Percentage	8.00%			8.00%
Notes payable	$ 0.0			$ 0.0				345.2
Debt Instrument, Redemption Price	365.6			365.6
Debt Instrument, Redemption, Accrued and Unpaid Interest	1.6			1.6
Debt Instrument, Redemption, Call Premium	$ 14.0			$ 14.0
Senior Note Member Forty Three \| Forestar Group [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.00%			5.00%
Notes payable	$ 296.4			$ 296.4				295.9
Secured Debt [Member] \| Forestar Group [Member]
Debt Instrument [Line Items]
Notes payable	12.5			12.5				0.0
Secured Debt [Member] \| Home Building Consolidated
Debt Instrument [Line Items]
Notes payable	$ 82.8			$ 82.8				71.1
Senior Note Forty Six \| Forestar Group [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount						$ 400.0
Debt Instrument, Interest Rate, Effective Percentage						4.10%
Debt Instrument, Interest Rate, Stated Percentage						3.85%
Senior Note Member Forty Six \| Forestar Group [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.85%			3.85%
Notes payable	$ 395.2			$ 395.2				$ 0.0