Segment Information (Revenues and Long-Lived Assets by Geographic Area) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Consolidated Revenue	$ 1,450,826	$ 1,381,842	$ 899,248
Total Consolidated Long-lived Assets	433,199	467,921	451,057
Domestic Operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Consolidated Revenue	1,104,759	1,042,929	563,814
Total Consolidated Long-lived Assets	269,147	289,129	286,720
Barbados, St. Kitts and St. Maarten [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Consolidated Revenue	346,067	338,913	335,434
Total Consolidated Long-lived Assets	$ 164,052	$ 178,792	$ 164,337