PROPERTY, PLANT AND EQUIPMENT, NET (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Jun. 30, 2019
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 514,457	$ 506,304
Less: Accumulated depreciation and impairment	225,201	218,459
Property, plant and equipment, net	289,256	287,845
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	13,866	14,240
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	74,325	83,151
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	288,466	274,554
Computer hardware and software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	60,391	48,984
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	20,044	17,325
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	40,876	32,264
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 16,489	$ 35,786