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ORGANIZATION AND BASIS OF PRESENTATION - Narrative (Details) shares in Thousands, $ in Thousands				12 Months Ended
	Jun. 13, 2025 USD ($)	Oct. 01, 2024	Sep. 30, 2024 USD ($) shares	Jun. 30, 2025 USD ($) segment	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)
Business Combination [Line Items]
Number of reportable segments \| segment				2
Payment to business with cash on hand, net of cash acquired				$ 39,848	$ 0	$ 187,750
Prestige
Business Combination [Line Items]
Ownership interest (percent)		24.00%	20.00%	24.00%
Dilution of PRAM's interest in Prestige (percent)		0.04
Prestige \| PRAM Holdings, LLC
Business Combination [Line Items]
Ownership interest (percent)			20.00%	16.00%
S2S Global Business
Business Combination [Line Items]
Non-cash investment in unconsolidated affiliates			$ 24,900
Premier Supply Chain Improvement, Inc. ("PSCI") \| Prestige
Business Combination [Line Items]
Limited partnership units exchanged in Contribution and Exchange Agreement (in shares) \| shares			9,375
S2S Global Business \| Prestige \| PRAM Holdings, LLC
Business Combination [Line Items]
Ownership interest (percent)		20.00%		20.00%
Discontinued Operations, Disposed of by Means Other than Sale, Exchange \| S2S Global Business
Business Combination [Line Items]
Loss on disposal			$ 53,000	$ 53,000
IllumiCare, Inc.
Business Combination [Line Items]
Business acquisition, percentage of voting interests acquired (percent)	100.00%
Preliminary adjusted purchase price	$ 47,500
Payment to business with cash on hand, net of cash acquired	39,800
Business combination, indemnification asset, acquisition date, amount	4,500
Earn-out liabilities	$ 15,000			$ 7,700
Contingent consideration, payable period	3 years