Debt - Credit Agreement - Additional Information (Details) - USD ($)	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Sep. 30, 2022
Debt Instrument [Line Items]
Credit facility amount	$ 1,000,000,000
Leverage ratio, actual	1.79
Senior debt leverage ratio, actual	0.49
Fixed charge coverage ratio, actual	14.05
Periodic interest payment	$ 4,800,000	$ 2,400,000
Interest rate during period	4.20%	3.20%
Line of Credit
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity expansion amount	$ 500,000,000
Total leverage ratio	4.50
Senior secured leverage ratio	3.00
Minimum fixed charge coverage ratio allowed under debt covenant	3.00
Line of Credit | Long-term Debt
Debt Instrument [Line Items]
Long-term portion of long term debt	$ 359,000,000		$ 359,000,000
Annual rate for borrowing outstanding	5.70%
Line of Credit | Minimum
Debt Instrument [Line Items]
Variable interest rate, length of time between updates	30 days
Line of Credit | Maximum
Debt Instrument [Line Items]
Variable interest rate, length of time between updates	180 days