OTHER INTANGIBLE ASSETS - Other intangible assets net of amortization (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Sep. 30, 2025	Jun. 30, 2025
Finite-Lived Intangible Assets [Line Items]
Other intangible assets gross	$ 22,044	$ 21,544
Accumulated amortization intangible assets	(18,793)	(18,552)
intangible assets net	$ 3,251	2,992
Software and Software Development Costs [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted average useful lives	5 years
Other intangible assets gross	$ 7,005	7,005
Accumulated amortization intangible assets	$ (7,005)	(7,005)
intangible assets net
Software License [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted average useful lives	3 years
Other intangible assets gross	$ 1,260	1,260
Accumulated amortization intangible assets	(850)	(756)
intangible assets net	$ 410	504
Patents and copyrights [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted average useful lives	15 years
Other intangible assets gross	$ 5,229	5,229
Accumulated amortization intangible assets	(4,290)	(4,255)
intangible assets net	939	$ 974
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted average useful lives		7 years
Other intangible assets gross	4,650	$ 4,150
Accumulated amortization intangible assets	(4,212)	(4,150)
intangible assets net	$ 438
Noncompete Agreements [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted average useful lives	2 years
Noncompete Agreements [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted average useful lives	7 years
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted average useful lives	20 years	20 years
Other intangible assets gross	$ 3,900	$ 3,900
Accumulated amortization intangible assets	(2,436)	(2,386)
intangible assets net	$ 1,464	$ 1,514