GOODWILL AND INTANGIBLE ASSETS - Components of Goodwill (Details) $ in Thousands	12 Months Ended
	Jun. 30, 2024 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 1,012,355
Impairment	(16,503)
Ending balance	995,852
Supply Chain Services
Goodwill [Roll Forward]
Beginning balance	386,206
Impairment	0
Ending balance	386,206
Performance Services
Goodwill [Roll Forward]
Beginning balance	626,149
Impairment	(16,503)
Ending balance	$ 609,646