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Debt - Additional Information (Details) $ in Millions						1 Months Ended	3 Months Ended		6 Months Ended
Debt - Additional Information (Details) $ in Millions	Oct. 15, 2030	Oct. 15, 2029	Oct. 15, 2028	Oct. 15, 2027	Sep. 19, 2025	Oct. 31, 2025 USD ($)	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)
Debt Instrument [Line Items]
Percentage of notes offered at purchase price						101.00%
Capitalized interest							$ 2.5	$ 4.1	$ 7.4	$ 4.1
2025 Revolving Credit Facility
Debt Instrument [Line Items]
Consummation of material acquisition ratio							0.0525		0.0525
Debt instrument, maturity date									Sep. 26, 2030
2025 Revolving Credit Facility \| Minimum
Debt Instrument [Line Items]
Interest coverage ratio							0.025		0.025
2025 Revolving Credit Facility \| Maximum
Debt Instrument [Line Items]
Leverage ratio							0.05		0.05
Service coverage ratio							0.035		0.035
Asset Financing Notes
Debt Instrument [Line Items]
Frequency of periodic payment					36 equal monthly installments
Insurance Notes
Debt Instrument [Line Items]
Debt instrument, interest rate							6.49%		6.49%
Debt instrument, face amount							$ 11.8		$ 11.8
Debt instrument, maturity date									Aug. 01, 2026
Frequency of periodic payment					eleven monthly installments
6.25% Fixed-Rate Senior Unsecured Notes Due 2030
Debt Instrument [Line Items]
Unsecured debt						$ 825.0
Debt instrument, interest rate						6.25%
6.25% Fixed-Rate Senior Unsecured Notes Due 2030 \| Forecast
Debt Instrument [Line Items]
Percentage of aggregate principal amount				40.00%
Percentage of redemption price of principal note		100.00%		106.25%
6.50% Fixed Rate Senior Unsecured Notes Due 2033
Debt Instrument [Line Items]
Unsecured debt						$ 600.0
Debt instrument, interest rate						6.50%
6.50% Fixed Rate Senior Unsecured Notes Due 2033 \| Forecast
Debt Instrument [Line Items]
Percentage of aggregate principal amount			40.00%
Percentage of redemption price of principal note	100.00%		106.50%