Debt - Narrative (Details) - USD ($)	1 Months Ended	3 Months Ended		6 Months Ended	9 Months Ended
	Aug. 08, 2023	Jun. 30, 2023	Jun. 30, 2022	Mar. 31, 2023	Jun. 30, 2023	Jun. 30, 2022	Dec. 22, 2024	Feb. 22, 2023	Sep. 30, 2022	Mar. 08, 2022	Dec. 31, 2021	Jan. 22, 2021	Dec. 22, 2020	Jul. 01, 2020
Debt Instrument [Line Items]
Short term borrowing interest rate		7.30%			7.30%				4.70%
Loss on extinguishment of debt		$ 300,000	$ 0		$ (1,700,000)	$ 0
Payments of debt issuance costs					0	$ 7,600,000
Notes payable		5,300,000			5,300,000				$ 6,400,000
Maturities of long term debt in five years		$ 1,842,700,000			$ 1,842,700,000
Scenario, Forecast
Debt Instrument [Line Items]
Notional value							$ 100,000,000.0
Interest Rate Contracts
Debt Instrument [Line Items]
Fixed interest rate		0.95%			0.95%								0.95%
Notional value		$ 550,000,000.0			$ 550,000,000.0							$ 700,000,000.0	$ 550,000,000.0
Senior Notes
Debt Instrument [Line Items]
Premiums paid on extinguishment of debt		21,600,000
Write-off of deferred financing fees		$ 300,000
Senior Secured Term Loan Facility due 2027 | Secured Debt
Debt Instrument [Line Items]
Stated interest rate of debt		0.25%			0.25%
Face amount of debt		$ 3,000,000.0			$ 3,000,000.0
Long-term debt		1,007,000,000			1,007,000,000				1,182,000,000
Senior Notes, 4.750%, Due 2028 | Senior Notes
Debt Instrument [Line Items]
Stated interest rate of debt														475.00%
Extinguishment of debt, amount		16,300,000
4.625% Senior Notes due 2026 | Senior Notes
Debt Instrument [Line Items]
Long-term debt		791,300,000			791,300,000				800,000,000.0
Senior Secured Term Loan B Facility due 2027 | Secured Debt
Debt Instrument [Line Items]
Premiums paid on extinguishment of debt		41,000,000.0		$ 125,000,000.0
Write-off of deferred financing fees		$ 300,000			$ 1,400,000
Senior Secured Term Loan B Facility due 2027 | Secured Debt | Subsequent Event
Debt Instrument [Line Items]
Premiums paid on extinguishment of debt	$ 20,000,000.0
Senior Notes, 4.375%, Due 2029 | Senior Notes
Debt Instrument [Line Items]
Stated interest rate of debt		4.375%			4.375%
Extinguishment of debt, amount		$ 8,700,000
Long-term debt		583,700,000			$ 583,700,000				600,000,000.0
6.500% Senior Notes due 2027 | Senior Notes
Debt Instrument [Line Items]
Long-term debt		300,000,000.0			300,000,000.0				300,000,000.0
Senior Notes, 6.500%, Due 2027 | Senior Notes
Debt Instrument [Line Items]
Stated interest rate of debt										6.50%
Long-term debt										$ 300,000,000.0
Revolving Credit Facility
Debt Instrument [Line Items]
Amount available remaining		492,900,000			492,900,000
Revolving Credit Facility | 2020 Revolving Facility
Debt Instrument [Line Items]
Credit facility		500,000,000.0			500,000,000.0						$ 400,000,000.0
Letter of Credit
Debt Instrument [Line Items]
Outstanding letters of credit		7,100,000			7,100,000
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Interest Rate Contracts
Debt Instrument [Line Items]
Fixed interest rate								1.042%
Estimate of Fair Value
Debt Instrument [Line Items]
Long-term Debt, Percentage Bearing Fixed Interest, Fair Value Amount		2,065,300,000			2,065,300,000				1,795,700,000
Reported Value Measurement
Debt Instrument [Line Items]
Long-term Debt, Percentage Bearing Fixed Interest, Fair Value Amount		$ 2,384,100,000			$ 2,384,100,000				$ 2,337,100,000