PROPERTY AND EQUIPMENT (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Jun. 30, 2020
Property, Plant and Equipment [Line Items]
Cost	$ 732,717	$ 735,328
Accumulated Depreciation	(505,283)	(490,773)
Net	227,434	244,555
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Cost	39,795	39,158
Accumulated Depreciation	(31,243)	(28,473)
Net	8,552	10,685
Office equipment
Property, Plant and Equipment [Line Items]
Cost	2,518	2,272
Accumulated Depreciation	(1,311)	(1,329)
Net	1,207	943
Computer hardware
Property, Plant and Equipment [Line Items]
Cost	297,250	294,745
Accumulated Depreciation	(206,023)	(198,194)
Net	91,227	96,551
Computer software
Property, Plant and Equipment [Line Items]
Cost	118,669	127,299
Accumulated Depreciation	(97,562)	(103,057)
Net	21,107	24,242
Capitalized software development costs
Property, Plant and Equipment [Line Items]
Cost	117,429	111,202
Accumulated Depreciation	(77,697)	(70,015)
Net	39,732	41,187
Leasehold improvements
Property, Plant and Equipment [Line Items]
Cost	108,792	111,384
Accumulated Depreciation	(76,520)	(74,395)
Net	32,272	36,989
Land and buildings
Property, Plant and Equipment [Line Items]
Cost	48,264	49,268
Accumulated Depreciation	(14,927)	(15,310)
Net	$ 33,337	$ 33,958

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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