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Debt - Senior Credit Facilities (Details) - Senior Notes	1 Months Ended		9 Months Ended
	Apr. 30, 2023	Sep. 30, 2021 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)
Senior Credit Facilities
Debt Instrument [Line Items]
Leverage ratio covenant period			12 months
EBITDA ratio covenant			3.00
Senior Credit Facilities | Minimum
Debt Instrument [Line Items]
Debt covenant, consolidated unrestricted cash			$ 5,000,000
Leverage ratio covenant			3.75
Senior Credit Facilities | Maximum
Debt Instrument [Line Items]
Debt covenant, consolidated unrestricted cash			$ 250,000,000
Leverage ratio covenant			4.25
Term Loan Facility
Debt Instrument [Line Items]
Debt term		5 years
Maximum borrowing capacity		$ 300,000,000		$ 200,000,000
Term Loan Facility | 2023 Term Loan Facility
Debt Instrument [Line Items]
Debt term	5 years
Revolving Credit Facility
Debt Instrument [Line Items]
Debt term		5 years
Maximum borrowing capacity		$ 600,000,000
Line of credit increase limit		$ 300,000,000
Line of credit facility, remaining borrowing capacity			$ 600,000,000

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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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