SEGMENT INFORMATION - Schedule of Revenues and Property and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Total revenues and long-lived assets associated with business operations
Total revenue	$ 415,113	$ 669,729	$ 1,069,039
Property and Equipment, Net	23,113	57,176	78,090
U.S.
Total revenues and long-lived assets associated with business operations
Total revenue	383,965	613,652	972,994
Property and Equipment, Net	23,014	56,532	75,789
Other countries
Total revenues and long-lived assets associated with business operations
Total revenue	31,148	56,077	96,045
Property and Equipment, Net	$ 99	$ 644	$ 2,301