Goodwill and Intangible Assets (Summary of Goodwill) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Goodwill [Roll Forward]
Balance at beginning of period	$ 400,144	$ 331,159
Additions due to acquisitions (see Note 4)	0	68,985
Foreign currency translation	(5,389)	0
Balance at end of period	$ 394,755	$ 400,144