OTHER INTANGIBLE ASSETS - Other Intagible Assets Net of Amoritization (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Jun. 30, 2021
Finite-Lived Intangible Assets [Line Items]
Gross other intangible assets	$ 20,338	$ 20,300
Less: Accumulated amortization	16,483	16,262
Other intangible assets-net	3,855	4,038
Software and Software Development Costs [Member]
Finite-Lived Intangible Assets [Line Items]
Gross other intangible assets	7,005	7,005
Patents and copyrights
Finite-Lived Intangible Assets [Line Items]
Gross other intangible assets	5,283	5,245
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Gross other intangible assets	4,150	4,150
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross other intangible assets	$ 3,900	$ 3,900