Debt Instrument, Interest Rate, Effective Period

No definition available.

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- Definition

Line of Credit Facility, Number of Lenders

+ References

No definition available.

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- Definition

Minimum Inventory Required

+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
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- Definition

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.

+ Details

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- Definition

Amount of the required periodic payments applied to principal.

+ References

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount, after accumulated amortization, of debt discount.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
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-Paragraph 1A
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Balance Type:	debit
Period Type:	instant

- Definition

Represents the aggregate of total long-term debt, including current maturities and short-term debt.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

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- Definition

The cash outflow for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

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-Name Accounting Standards Codification
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Period Type:	duration

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Period Type:	duration

- References

No definition available.

+ Details

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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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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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+ Details

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Balance Type:	credit
Period Type:	instant

- References

No definition available.

+ Details

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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

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

+ Details

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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Balance Type:	credit
Period Type:	instant

- References

No definition available.

+ Details

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- Definition

The carrying amount, as of the date of the latest financial statement presented, of real estate owned but transferred to serve as collateral for the payment of the related debt obligation, primarily a secured borrowing or repurchase agreement, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 30
-Section 50
-Paragraph 1A
-Subparagraph (b)(1)(i)
-URI http://asc.fasb.org/extlink&oid=64858031&loc=SL6224234-111729

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- References

No definition available.

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- References

No definition available.

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Borrowings - Narrative (Details)	3 Months Ended		9 Months Ended
Borrowings - Narrative (Details)	Jun. 30, 2016 USD ($) lender	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($) lender	Jun. 30, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jan. 31, 2010 USD ($)
Debt Instrument [Line Items]
Debt, Long-term and Short-term, Combined Amount	$ 1,429,483,000		$ 1,429,483,000		$ 1,528,275,000
Line of Credit Facility [Abstract]
Amount of available borrowings under the Secured Revolving Credit Facility	115,100,000		115,100,000
Senior Notes [Abstract]
Loss on extinguishment of debt	(429,000)	$ 0	2,030,000	$ 0
Junior Subordinated Notes [Abstract]
Unamortized accretion	4,819,000		4,819,000		3,639,000
Secured Debt [Abstract]
Notes Payable	1,429,483,000		1,429,483,000		1,528,275,000
Senior Notes
Debt Instrument [Line Items]
Debt, Long-term and Short-term, Combined Amount	1,234,249,000		1,234,249,000		1,427,240,000
Junior Subordinated Notes [Abstract]
Unamortized accretion	3,069,000		3,069,000		3,639,000
Senior Notes \| 9 1/8% Senior Notes Maturing May 2019
Debt Instrument [Line Items]
Debt, Long-term and Short-term, Combined Amount	215,925,000		215,925,000		$ 235,000,000
Senior Notes [Abstract]
Call price and make-whole premiums provided for by 2018 Notes	$ 9,300,000		$ 19,100,000
Stated interest rate on debt instrument (percent)	9.125%		9.125%		9.125%
Senior Notes \| 8 1/8% Senior Notes Maturing June 2016
Debt Instrument [Line Items]
Debt, Long-term and Short-term, Combined Amount	$ 0		$ 0		$ 170,879,000
Senior Notes [Abstract]
Call price and make-whole premiums provided for by 2018 Notes	$ 3,000,000		$ 3,600,000
Stated interest rate on debt instrument (percent)	8.125%		8.125%		8.125%
Senior Notes \| 6 5/8% Senior Secured Notes April 2018
Debt Instrument [Line Items]
Debt, Long-term and Short-term, Combined Amount	$ 300,000,000		$ 300,000,000		$ 300,000,000
Senior Notes [Abstract]
Stated interest rate on debt instrument (percent)	6.625%		6.625%		6.625%
Term Loan
Debt Instrument [Line Items]
Debt, Long-term and Short-term, Combined Amount	$ 120,750,000		$ 120,750,000		$ 0
Senior Notes [Abstract]
Minimum inventory required	1,250,000,000.00		1,250,000,000.00
Other Long-term Debt [Abstract]
Aggregate principal amount of debt	$ 140,000,000		140,000,000
Debt instrument term	2 years
Principal payment			17,500,000
Junior Subordinated Notes [Abstract]
Unamortized accretion	$ 1,750,000		$ 1,750,000
Term Loan \| London Interbank Offered Rate (LIBOR)
Senior Notes [Abstract]
Stated interest rate on debt instrument (percent)	55000.00%		55000.00%
Junior Subordinated Notes
Debt Instrument [Line Items]
Debt, Long-term and Short-term, Combined Amount	$ 59,353,000		$ 59,353,000		57,803,000
Senior Notes [Abstract]
Stated interest rate on debt instrument (percent)	7.987%		7.987%
Other Long-term Debt [Abstract]
Aggregate principal amount of debt	$ 103,100,000		$ 103,100,000			$ 75,000,000
Junior Subordinated Notes [Abstract]
Effective period of debt instrument interest rate			10 years
Unamortized accretion	41,420,000		$ 41,420,000		42,970,000
Other secured notes payable
Debt Instrument [Line Items]
Debt, Long-term and Short-term, Combined Amount	$ 15,131,000		$ 15,131,000		20,864,000
Secured Debt [Abstract]
Weighted average fixed interest rate of debt (percent)	3.27%		3.27%
Revolving Credit Facility
Line of Credit Facility [Abstract]
Credit facility borrowing capacity	$ 145,000,000		$ 145,000,000		130,000,000
Borrowings outstanding under facility	0		0		0
Inventory assets pledged as collateral	1,000,000,000		1,000,000,000
Letters of credit secured using cash collateral	$ 29,900,000		$ 29,900,000
Number of Lenders Extending Credit Facility
Line of Credit Facility [Abstract]
Number of lenders \| lender	3		3
Letter of Credit, Cash Secured
Line of Credit Facility [Abstract]
Letters of credit secured using cash collateral	$ 15,600,000		$ 15,600,000		$ 14,400,000