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Debt - Senior Notes (Details) - USD ($)		12 Months Ended
Debt - Senior Notes (Details) - USD ($)	Dec. 10, 2021	Jun. 30, 2024	Jun. 30, 2023
Debt Instrument [Line Items]
Weighted average interest rate of total borrowings		7.00%	6.00%
5.00% Senior Notes
Debt Instrument [Line Items]
Interest rate on debt	5.00%
Senior Notes \| 5.00% Senior Notes
Debt Instrument [Line Items]
Interest rate on debt		5.00%
Aggregate principal amount of bridge loan	$ 990,000,000
Interest expense incurred		$ 50,000,000	$ 50,000,000
Senior Notes \| 5.00% Senior Notes \| Senior Notes, Redemption, Period One
Debt Instrument [Line Items]
Redemption price, percentage of principal amount	100.00%
Senior Notes \| 5.00% Senior Notes \| Senior Notes, Redemption, Period Two
Debt Instrument [Line Items]
Redemption percentage	40.00%
Senior Notes \| 5.00% Senior Notes \| Senior Notes, Redemption, Period Three
Debt Instrument [Line Items]
Redemption price, percentage of principal amount	105.00%
Line of credit \| Credit Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Available credit under lines of credit		$ 346,000,000