REVENUE - Contract with Customer (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Product and Service [Extensible Enumeration]	Service [Member]	Service [Member]	Service [Member]
Recurring and other revenue	$ 427,032	$ 350,956	$ 317,620
Recurring fees
Disaggregation of Revenue [Line Items]
Recurring and other revenue	414,677	337,012	309,948
Implementation services and other
Disaggregation of Revenue [Line Items]
Recurring and other revenue	$ 12,355	$ 13,944	$ 7,672