The amount paid on the mortgage repurchase facility to fund future mortgage repurchases by the company.

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The aggregate purchase price of senior notes redeemed or repurchased during the period.

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Authorized repurchase of debt securities.

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

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Gain loss on extinguishment of debt through exchange.

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Obligation as of the balance sheet date representing the amount due under a mortgage repurchase agreement.

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Notes payable.

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Principal amount of convertible notes.

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Redemption price of notes payable description.

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Repurchase of purchased loans specified time frame.

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The interest rate associated with the repurchase agreements. This is also known as the repo rate.

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The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

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The price per share of the conversion feature embedded in the debt instrument.

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The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

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Interest rate stated in the contractual debt agreement.

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-Subparagraph (SX 210.5-02.22(a)(1))

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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.

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Amount represents the difference between the fair value of the payments made and the carrying amount of the debt at the time of its extinguishment.

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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.

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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.

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Amount of long-term debt maturities after year five following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed of determinable prices and dates.

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Amount of long-term debt maturing within the next twelve months following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates.

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Amount of long-term debt maturing in year five following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed of determinable prices and dates.

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Amount of long-term debt maturing in year four following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed of determinable prices and dates.

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Amount of long-term debt maturing in year three following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed of determinable prices and dates.

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Amount of long-term debt maturing in year two following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates.

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

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-Name Statement of Position (SOP)

-Number 97-1

-Paragraph 17

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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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Carrying value as of the balance sheet date , including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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Notes Payable (Details Textuals) (USD $)	12 Months Ended
Notes Payable (Details Textuals) (USD $)	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2009	Aug. 01, 2011	Jun. 29, 2011
Debt Instrument [Line Items]
Senior Notes, Interest Rate Stated Percentage	2.00%
Notes Payable (Textuals) [Abstract]
Maturities of notes payable in fiscal 2012	$ 122,300,000
Maturities of notes payable in fiscal 2013	171,700,000
Maturities of notes payable in fiscal 2014	783,800,000
Maturities of notes payable in fiscal 2015	157,700,000
Maturities of notes payable in fiscal 2016	553,700,000
Maturities of notes payable after fiscal 2016	0
Early redemption price of senior notes, description	equal to the greater of 100% of their principal amount or the present value of the remaining scheduled payments on the redemption date, plus in each case, accrued interest
Senior notes issued prior to Oct 2004	455,500,000	500,000,000
Purchase price of senior notes upon a change of control, description	101% of their principal amount, along with accrued and unpaid interest
Debt repurchase program, remaining authorized repurchase amount	422,900,000
Authorized repurchase of debt securities				500,000,000
Aggregate price of senior note retirements	505.3 plus accrued interest	1018.2 plus accrued interest
Net (loss) gain on retirement of debt	(10,800,000)	(4,900,000)	3,900,000
Non recourse debt payable secured by undeveloped land	17,500,000
Repurchase of purchased loans specified time frame	45 to 120
Capacity of facility					100,000,000
Increase in mortgage repurchase capacity	150,000,000
Mortgage loans held for sale pledged under repurchase agreement	251,500,000
Mortgage loans, collateral value	236,300,000
Advance pay downs on mortgage repurchase facility	119,800,000
Mortgage repurchase facility	116,500,000
Interest rate on mortgage repurchase facility	3.80%
Gain loss on secured debt	0
6% senior notes due 2011, net [Member]
Debt Instrument [Line Items]
Senior Notes, Interest Rate Stated Percentage	6.00%
7.875% senior notes due 2011, net [Member]
Debt Instrument [Line Items]
Senior Notes, Interest Rate Stated Percentage	7.875%
5.375% senior notes due 2012 [Member]
Debt Instrument [Line Items]
Senior Notes, Interest Rate Stated Percentage	5.375%
6.125% senior notes due 2014, net [Member]
Debt Instrument [Line Items]
Senior Notes, Interest Rate Stated Percentage	6.125%
2% convertible senior notes due 2014, net [Member]
Debt Instrument [Line Items]
Senior Notes, Interest Rate Stated Percentage	2.00%
Initial conversion rate of convertible senior notes	76.5697
Principal amount of senior notes	1,000
Initial conversion price of convertible senior notes	$ 13.06
Notes Payable (Textuals) [Abstract]
Initial conversion rate of convertible senior notes	76.5697
Principal amount of senior notes	1,000
5.625% senior notes due 2016, net [Member]
Debt Instrument [Line Items]
Senior Notes, Interest Rate Stated Percentage	5.625%
4.875% senior notes, matured January 2010 [Member]
Debt Instrument [Line Items]
Senior Notes, Interest Rate Stated Percentage	4.875%
9.75% senior notes, matured September 2010 [Member]
Debt Instrument [Line Items]
Senior Notes, Interest Rate Stated Percentage	9.75%
9.75% senior subordinated notes, matured September 2010 [Member]
Debt Instrument [Line Items]
Senior Notes, Interest Rate Stated Percentage	9.75%
6% senior notes matured April 2011 [Member]
Debt Instrument [Line Items]
Senior Notes, Interest Rate Stated Percentage	6.00%
7.875% senior notes, matured August 2011 [Member]
Debt Instrument [Line Items]
Senior Notes, Interest Rate Stated Percentage	7.875%
5.875% senior notes due 2013, redeemed February 2010 [Member]
Debt Instrument [Line Items]
Senior Notes, Interest Rate Stated Percentage	5.875%
5.375% senior notes due 2012 redeemed in April 2011[Member]
Debt Instrument [Line Items]
Senior Notes, Interest Rate Stated Percentage	5.375%
9.75% senior notes due 2010 [Member]
Debt Instrument [Line Items]
Senior Notes, Interest Rate Stated Percentage	9.75%
9.75% senior subordinated notes due 2010
Debt Instrument [Line Items]
Senior Notes, Interest Rate Stated Percentage	9.75%
6.875% senior notes due 2013 [Member]
Debt Instrument [Line Items]
Senior Notes, Interest Rate Stated Percentage	6.875%
5.875% senior notes due 2013 [Member]
Debt Instrument [Line Items]
Senior Notes, Interest Rate Stated Percentage	5.875%
5.625% senior notes due 2014, net [Member]
Debt Instrument [Line Items]
Senior Notes, Interest Rate Stated Percentage	5.625%
5.25% senior notes due 2015, net [Member]
Debt Instrument [Line Items]
Senior Notes, Interest Rate Stated Percentage	5.25%
6.5% senior notes due 2016, net [Member]
Debt Instrument [Line Items]
Senior Notes, Interest Rate Stated Percentage	6.50%
Principal amount of senior notes	10,800,000
Notes Payable (Textuals) [Abstract]
Principal amount of senior notes	$ 10,800,000