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

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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- Definition

Letter of Credit, Maximum Borrowing Capacity (in dollars)

+ 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(m)(1)(ii)(A)(ii))
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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
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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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- Definition

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

+ References

No definition available.

+ Details

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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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- Definition

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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- Definition

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

+ References

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- Definition

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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- Definition

Fair value portion of notes payable.

+ References

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- Definition

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

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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- Definition

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.

+ References

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-Name Accounting Standards Codification
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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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- Definition

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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- Definition

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.

+ References

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Notes Payable (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Notes Payable (Details) - USD ($) $ in Millions	Mar. 31, 2022	Mar. 31, 2022	Mar. 01, 2022	Sep. 30, 2021	Jun. 30, 2020	Sep. 30, 2019
Estimate of Fair Value Measurement [Member]
Debt Instrument [Line Items]
Notes payable, Fair value	$ 5,400.0	$ 5,400.0		$ 5,500.0
Letters of Credit Outstanding, Amount	236.1	236.1
Notes payable	5,570.0	5,570.0		5,412.4
Fair Value, Inputs, Level 2 [Member]
Debt Instrument [Line Items]
Notes payable, Fair value	3,700.0	3,700.0		3,900.0
Fair Value, Inputs, Level 3 [Member]
Debt Instrument [Line Items]
Notes payable, Fair value	1,700.0	1,700.0		1,600.0
Intersegment Eliminations [Member]
Debt Instrument [Line Items]
Notes payable	(0.5)	(0.5)		(0.7)
Forestar Group [Member]
Debt Instrument [Line Items]
Unamortized Debt Issuance Expense	7.2	7.2		8.0
Notes payable	705.3	705.3		704.5
Financial Services [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity	1,600.0	1,600.0
Pledged Financial Instruments, Not Separately Reported, Loans Receivable, for Repurchase Agreements	2,200.0	2,200.0
Participating Mortgage Loans, Mortgage Obligations, Amount	2,200.0	$ 2,200.0
Advance Pay Downs on Mortgage Repurchase Facility	$ 619.9
Assets Sold under Agreements to Repurchase, Interest Rate	1.90%	1.90%
Notes payable	$ 1,578.9	$ 1,578.9		1,494.6
Financial Services [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity	2,100.0	2,100.0
Forestar Group [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity	410.0	410.0
Line of Credit Facility, Maximum Borrowing Capacity	$ 600.0	$ 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	60.5	60.5
Line of Credit Facility, Remaining Borrowing Capacity	349.5	349.5
Authorized Repurchase Of Debt Securities					$ 30.0
Debt Repurchase Authorization Remaining	30.0	30.0
Letter of Credit, Maximum Borrowing Capacity (in dollars)	100.0	100.0
Notes payable	705.3	705.3		704.5
Home Building Consolidated
Debt Instrument [Line Items]
Unamortized Debt Issuance Expense	14.3	14.3		16.5
Line of Credit Facility, Current Borrowing Capacity	2,190.0	2,190.0
Line of Credit Facility, Maximum Borrowing Capacity	$ 3,000.0	$ 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	175.6	175.6
Line of Credit Facility, Remaining Borrowing Capacity	2,000.0	2,000.0
Authorized Repurchase Of Debt Securities						$ 500.0
Debt Repurchase Authorization Remaining	500.0	500.0
Notes payable	3,285.8	3,285.8		3,213.3
Proceeds from Lines of Credit		750.0
Repayments of Lines of Credit		750.0
Rental
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity	750.0	750.0	$ 625.0
Line of Credit Facility, Maximum Borrowing Capacity	$ 1,250.0	$ 1,250.0
Letters of credit, sublimit borrowing capacity, as a percentage	50.00%	50.00%
Revolving credit facility	$ 0.0	$ 0.0		0.0
Line of Credit Facility, Remaining Borrowing Capacity	486.0	486.0
Letter of Credit, Maximum Borrowing Capacity (in dollars)	100.0	100.0
Notes payable	0.0	0.0		0.0
4.375% senior notes due 2022 [Member] \| Home Building Consolidated
Debt Instrument [Line Items]
Notes payable	$ 349.8	$ 349.8		349.6
Debt Instrument, Interest Rate, Stated Percentage	4.375%	4.375%
4.75% senior notes due 2023 [Member] \| Home Building Consolidated
Debt Instrument [Line Items]
Notes payable	$ 299.7	$ 299.7		299.5
Debt Instrument, Interest Rate, Stated Percentage	4.75%	4.75%
5.75% senior notes due 2023 [Member] \| Home Building Consolidated
Debt Instrument [Line Items]
Notes payable	$ 399.3	$ 399.3		399.1
Debt Instrument, Interest Rate, Stated Percentage	5.75%	5.75%
SeniorNoteFortyTwo [Member] \| Home Building Consolidated
Debt Instrument [Line Items]
Notes payable	$ 497.7	$ 497.7		497.3
Debt Instrument, Interest Rate, Stated Percentage	2.50%	2.50%
SeniorNoteFortyFour \| Home Building Consolidated
Debt Instrument [Line Items]
Notes payable	$ 496.7	$ 496.7		496.2
Debt Instrument, Interest Rate, Stated Percentage	2.60%	2.60%
Senior Note Forty Six \| Home Building Consolidated
Debt Instrument [Line Items]
Notes payable	$ 595.0	$ 595.0		594.5
Debt Instrument, Interest Rate, Stated Percentage	1.30%	1.30%
Senior Note Forty Five \| Home Building Consolidated
Debt Instrument [Line Items]
Notes payable	$ 495.3	$ 495.3		494.9
Debt Instrument, Interest Rate, Stated Percentage	1.40%	1.40%
Senior Note Member Forty Six \| Forestar Group [Member]
Debt Instrument [Line Items]
Notes payable	$ 396.0	$ 396.0		395.5
Debt Instrument, Interest Rate, Stated Percentage	3.85%	3.85%
Senior Note Member Forty Three \| Forestar Group [Member]
Debt Instrument [Line Items]
Notes payable	$ 296.8	$ 296.8		296.5
Debt Instrument, Interest Rate, Stated Percentage	5.00%	5.00%
Secured Debt [Member] \| Forestar Group [Member]
Debt Instrument [Line Items]
Notes payable	$ 12.5	$ 12.5		12.5
Secured Debt [Member] \| Home Building Consolidated
Debt Instrument [Line Items]
Notes payable	$ 152.3	$ 152.3		$ 82.2