Securitization - Condensed Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Sep. 30, 2024
Variable Interest Entity [Line Items]
Restricted cash and cash equivalents	$ 1,116	$ 1,516
Other current assets	301,627	288,068
Securitized intangible asset, net	75,127	82,844
Accrued interest	122,459	106,116
Current maturities of securitized long-term debt	8,767	8,207
Securitized long-term debt	68,236	76,871
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Restricted cash and cash equivalents	1,116	1,516
Other current assets	1	3
Securitized intangible asset, net	75,127	82,844
Accrued interest	331	365
Current maturities of securitized long-term debt	8,767	8,207
Securitized long-term debt	$ 68,236	$ 76,871

Securitized Long-Term Debt, Current Maturities

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Securitized Long Term Debt, Excluding Current Maturities

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Amount of cash and cash equivalent restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.

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