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LONG-TERM DEBT - Schedule of Long-Term Debt (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Dec. 31, 2021	Dec. 31, 2021	Jun. 30, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Total principal payments due	$ 4,262,500	$ 4,262,500	$ 3,617,500
Debt issuance costs	(41,012)	(41,012)	(32,711)
Total amount outstanding	4,221,488	4,221,488	3,588,859
Less:
Current portion of long-term debt	10,000	10,000	10,000
Non-current portion of long-term debt	4,211,488	4,211,488	3,578,859
Senior Notes 2026
Debt Instrument [Line Items]
Premium on notes	0	0	4,070
Term Loan B
Debt Instrument [Line Items]
Total principal payments due	962,500	962,500	967,500
Less:
Current portion of long-term debt	10,000	10,000	10,000
Senior Notes \| Senior Notes 2031
Debt Instrument [Line Items]
Total principal payments due	650,000	650,000	0
Senior Notes \| Senior Notes 2030
Debt Instrument [Line Items]
Total principal payments due	900,000	900,000	900,000
Senior Notes \| Senior Notes 2029
Debt Instrument [Line Items]
Total principal payments due	850,000	850,000	0
Senior Notes \| Senior Notes 2028
Debt Instrument [Line Items]
Total principal payments due	900,000	900,000	900,000
Senior Notes \| Senior Notes 2026
Debt Instrument [Line Items]
Total principal payments due	0	0	$ 850,000	$ 850,000
Less:
Unamortized debt issuance costs	$ 6,200	$ 6,200