Debt Instrument, Cap Interest Rate

No definition available.

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- Definition

Debt Instrument, Floor Interest Rate

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Redemption Price, Annual Increase In Percentage

+ References

No definition available.

+ Details

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

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- Definition

Amount of assets pledged to secure a debt instrument.

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- Definition

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

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+ Details

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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

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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- Definition

Amount, after accumulated amortization, of debt discount.

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- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

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- Definition

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

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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

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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- Definition

Amount of increase (decrease) of the credit facility.

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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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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

The cash outflow for a long-term debt where the holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period.

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Borrowings - Narrative (Details) - USD ($)				1 Months Ended	12 Months Ended
Borrowings - Narrative (Details) - USD ($)	Oct. 13, 2022	Jun. 01, 2022	Jun. 01, 2012	Jan. 31, 2010	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Debt Instrument [Line Items]
Gain (loss) on extinguishment of debt, net					$ 309,000	$ (2,025,000)	$ 0
Senior Notes \| 5.875% Senior Notes (2027 Notes)
Debt Instrument [Line Items]
Repurchased senior debt					6,000,000	30,700,000	0
Gain (loss) on extinguishment of debt, net					300,000	(2,000,000)	$ 0
Senior Notes \| 6.750% Senior Notes (2025 Notes)
Debt Instrument [Line Items]
Repurchased senior debt					18,400,000
Junior Subordinated Notes
Debt Instrument [Line Items]
Aggregate principle balance of notes					$ 100,800,000
Weighted average fixed interest rate of debt (percent)					5.23%
Unamortized discount					$ 28,500,000
Junior Subordinated Debt, Modified Terms
Debt Instrument [Line Items]
Aggregate principal amount of debt				$ 75,000,000
Redemption price percentage			75.00%
Annual increase of percentage of principal amount redeemable		1.785%
Junior Subordinated Debt, Modified Terms \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Variable rate floor				4.25%
Variable rate cap				9.25%
Junior Subordinated Debt, Original Terms
Debt Instrument [Line Items]
Aggregate principal amount of debt					$ 25,800,000
Junior Subordinated Debt, Original Terms \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate					2.45%
Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity					$ 250,000,000
Secured Revolving Credit Facility					0	0
Letters of credit secured using cash collateral					5,500,000	0
Line of credit facility, remaining borrowing capacity					244,500,000	244,500,000
Collateral amount					1,060,000,000.00
Revolving Credit Facility \| Subsequent Event
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 265,000,000
Line of credit facility, increase to size of the commitments	135,000,000
Revolving Credit Facility \| Subsequent Event \| Maximum
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 400,000,000
Letter of Credit
Debt Instrument [Line Items]
Letters of credit secured using cash collateral					29,700,000	21,800,000
Collateral amount					$ 31,500,000	$ 22,300,000