PROPERTY, PLANT AND EQUIPMENT - Summary of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Jun. 30, 2020
Cost	$ 138,260	$ 160,390
Accumulated Depreciation	(102,268)	(123,300)
Net	35,992	37,090
Land
Cost	1,012	1,186
Accumulated Depreciation	0	0
Net	1,012	1,186
Buildings and building improvements
Cost	29,599	43,641
Accumulated Depreciation	(17,085)	(29,966)
Net	12,514	13,675
Machinery and equipment
Cost	107,649	115,563
Accumulated Depreciation	(85,183)	(93,334)
Net	$ 22,466	$ 22,229

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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