INCOME TAXES - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Operating Loss Carryforwards [Line Items]
Effective income tax rate	30.90%	10.90%	(9.20%)
Income before tax	$ 21,500	$ 17,400	$ (20,000)
Net deferred tax assets	14,900
Valuation allowance	8,950	8,759
Unrecognized tax benefits	11,288	11,360	11,106	$ 10,939
Unrecognized tax benefits that would favorably impact the effective tax rate	7,800	7,900	$ 7,700
Possible decrease in unrecognized tax benefits	200
Interest on income tax expense	(100)
Federal research and development and AMT credit carryforward	894	961
Undistributed earnings of foreign subsidiaries	83,800
Tax Years 2019 and 2020
Operating Loss Carryforwards [Line Items]
Tax benefit from GLITI high income exclusion	(2,600)
Research Tax Credit Carryforward
Operating Loss Carryforwards [Line Items]
Tax credit carryforward	900
Foreign Tax Authority
Operating Loss Carryforwards [Line Items]
Change in valuation allowance	(200)	$ (100)
Federal tax loss carryforward not subject to expiration	2,500
Tax credit carryforward	$ 7,300
Foreign Tax Authority | Secretariat of the Federal Revenue Bureau of Brazil
Operating Loss Carryforwards [Line Items]
Effective income tax rate	34.00%	34.00%
Domestic Tax Authority
Operating Loss Carryforwards [Line Items]
Net deferred tax assets	$ 19,000
Valuation allowance	8,500
Federal tax loss carryforward not subject to expiration	11,600
State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Federal tax loss carryforward not subject to expiration	100
Operating loss carryforwards subject to expiration	1,600
Tax credit carryforward	400
Federal research and development and AMT credit carryforward	$ 300