PROPERTY, PLANT AND EQUIPMENT, NET - Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Jun. 30, 2023
Property, Plant and Equipment [Line Items]
Property, plant and equipment, and finance lease right of use asset, gross	$ 520,594	$ 537,843
Less: Accumulated depreciation	247,143	241,518
Property, plant and equipment, and finance lease right of use asset, net	273,451	296,325
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, and finance lease right of use asset, gross	11,482	11,453
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, and finance lease right of use asset, gross	56,364	55,354
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, and finance lease right of use asset, gross	322,597	335,912
Computer hardware and software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, and finance lease right of use asset, gross	53,303	54,192
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, and finance lease right of use asset, gross	20,144	20,722
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, and finance lease right of use asset, gross	39,785	49,394
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, and finance lease right of use asset, gross	$ 16,919	$ 10,816