Amount of assets pledged to secure a debt instrument.

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The average effective interest rate during the reporting period.

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

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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Debt Instrument, Covenant, Interest Coverage Ratio, Minimum

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Debt Instrument, Covenant, Leverage Ratio, Maximum

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Debt - Trade Receivables Facility (Details)		12 Months Ended
Debt - Trade Receivables Facility (Details)	Apr. 27, 2021 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Apr. 12, 2019 USD ($)
2019 Credit Facilities
Debt Instrument [Line Items]
Principal amount of line of credit				$ 1,050,000,000
2019 Credit Facilities \| Line of Credit
Debt Instrument [Line Items]
Maximum consolidated leverage ratio		4.5
Minimum consolidated interest coverage ratio		3.0
Secured Debt \| Trade Receivables Facility \| Line of Credit
Debt Instrument [Line Items]
Principal amount of line of credit	$ 175,000,000
Line of credit facility, unused capacity, commitment fee percentage	33.00%
Weighted-average interest rate		1.90%	1.00%
Remaining borrowing capacity		$ 70,000,000
Secured Debt \| Trade Receivables Facility \| Line of Credit \| Financing Subsidiary
Debt Instrument [Line Items]
Accounts receivable pledged as collateral		387,900,000	$ 300,900,000
Revolver \| Trade Receivables Facility
Debt Instrument [Line Items]
Trade Receivables Facility		$ 105,000,000	$ 58,500,000