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BENEFIT PLANS - Deferred Compensation Contracts (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2024
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Other comprehensive income for deferred compensation contracts	$ 400	$ 500
Deferred Compensation Contracts
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Projected benefit obligation	1,706	1,934
Former Vice Chairman
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Projected benefit obligation	600	600	$ 600
Former Vice Chairman \| Deferred Compensation Contracts
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Compensation expense	2,200	2,200
Former Vice Chairman \| Deferred Compensation Contracts \| Balance Sheet Location [Axis]: us-gaap:AccruedLiabilitiesCurrent
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Projected benefit obligation	$ 600	$ 600