Debt - Schedule of Long-term Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Jun. 30, 2023
Debt Instrument [Line Items]
Principal amount of long-term debt	$ 1,796,406	$ 1,704,063
Less unamortized discounts and debt issuance costs	(7,135)	(7,682)
Total long-term debt	1,789,271	1,696,381
Less current portion	(53,594)	(45,938)
Long-term debt, net of current portion	1,735,677	1,650,443
Bank credit facility – term loans
Debt Instrument [Line Items]
Principal amount of long-term debt	1,171,406	1,179,063
Bank credit facility – revolver loans
Debt Instrument [Line Items]
Principal amount of long-term debt	$ 625,000	$ 525,000