Leases (Lease Costs) (Details) - USD ($) $ in Thousands	2 Months Ended	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2023	Jun. 30, 2022	Apr. 30, 2021
Leases [Abstract]
Operating lease costs	$ 36,853	$ 238,899	$ 233,004	$ 239,357
Variable lease costs	14,359	85,239	79,923	77,758
Subrental income	(52)	(575)	(520)	(650)
Total lease costs	51,160	323,563	312,407	316,465
Cash paid for operating lease costs	35,394	236,423	236,946	240,299
Operating lease right of use assets obtained in exchange for operating lease liabilities	$ 48,307	$ 253,755	$ 222,352	$ 167,827
Weighted-average remaining operating lease term (years)	2 years	2 years	2 years	3 years
Weighted-average operating lease discount rate	2.90%	4.10%	2.80%	3.00%