Accumulated Other Comprehensive Income (Loss) - Changes in Accumulated Other Comprehensive Income ("AOCI") by Component, Net of Tax (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	$ 3,406,170	$ 2,076,803	$ 1,133,209
Other comprehensive income (loss) before reclassifications	(30,650)	86,013	(65,564)
Amounts reclassified from AOCI	14,216	15,637	2,402
Net current-period other comprehensive income	(16,434)	101,650	(63,162)
Ending Balance	3,616,475	3,406,170	2,076,803
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	14,267	(87,383)	(24,221)
Ending Balance	(2,167)	14,267	(87,383)
Foreign Currency Translation Adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	55,395	(31,596)	(15,627)
Other comprehensive income (loss) before reclassifications	(89,967)	86,991	(15,969)
Amounts reclassified from AOCI	0	0	0
Net current-period other comprehensive income	(89,967)	86,991	(15,969)
Ending Balance	(34,572)	55,395	(31,596)
Interest Rate Swap/Interest Rate Cap | Interest Rate Swap
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(31,773)	(44,085)	0
Other comprehensive income (loss) before reclassifications	29,711	(2,687)	(46,067)
Amounts reclassified from AOCI	13,797	14,999	1,982
Net current-period other comprehensive income	43,508	12,312	(44,085)
Ending Balance	11,735	(31,773)	(44,085)
Interest Rate Swap/Interest Rate Cap | Interest Rate Cap
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	0	0	0
Other comprehensive income (loss) before reclassifications	14,306	0	0
Amounts reclassified from AOCI	0	0	0
Net current-period other comprehensive income	14,306	0	0
Ending Balance	14,306	0	0
Defined Benefit Pension Plan
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(9,355)	(11,702)	(8,594)
Other comprehensive income (loss) before reclassifications	15,300	1,709	(3,528)
Amounts reclassified from AOCI	419	638	420
Net current-period other comprehensive income	15,719	2,347	(3,108)
Ending Balance	$ 6,364	$ (9,355)	$ (11,702)