STOCKHOLDERS' EQUITY - Stock-based Compensation (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2024
STOCKHOLDERS' EQUITY
Stock-based compensation expense	$ 26,433	$ 31,959	$ 28,706
Stock Options \| OSI Plans
STOCKHOLDERS' EQUITY
Unrecognized compensation cost	$ 900
Weighted-average period	1 year 10 months 13 days
RSU \| OSI Plans
STOCKHOLDERS' EQUITY
Unrecognized compensation cost	$ 13,300
Weighted-average period	2 years 2 months 12 days
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value	$ 55,000	41,300	31,100
Location, Statement of Income, Balance [Axis]: us-gaap:CostOfGoodsAndServicesSold
STOCKHOLDERS' EQUITY
Stock-based compensation expense	1,171	1,014	930
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STOCKHOLDERS' EQUITY
Stock-based compensation expense	668	605	621
Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense
STOCKHOLDERS' EQUITY
Stock-based compensation expense	$ 24,594	$ 30,340	$ 27,155

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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