PROPERTY AND EQUIPMENT (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Jun. 30, 2020
Property, Plant and Equipment [Line Items]
Cost	$ 748,295	$ 735,328
Accumulated Depreciation	(517,778)	(490,773)
Net	230,517	244,555
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Cost	39,110	39,158
Accumulated Depreciation	(32,016)	(28,473)
Net	7,094	10,685
Office equipment
Property, Plant and Equipment [Line Items]
Cost	2,435	2,272
Accumulated Depreciation	(1,187)	(1,329)
Net	1,248	943
Computer hardware
Property, Plant and Equipment [Line Items]
Cost	305,160	294,745
Accumulated Depreciation	(207,092)	(198,194)
Net	98,068	96,551
Computer software
Property, Plant and Equipment [Line Items]
Cost	123,173	127,299
Accumulated Depreciation	(100,940)	(103,057)
Net	22,233	24,242
Capitalized software development costs
Property, Plant and Equipment [Line Items]
Cost	122,924	111,202
Accumulated Depreciation	(82,641)	(70,015)
Net	40,283	41,187
Leasehold improvements
Property, Plant and Equipment [Line Items]
Cost	107,204	111,384
Accumulated Depreciation	(78,671)	(74,395)
Net	28,533	36,989
Land and buildings
Property, Plant and Equipment [Line Items]
Cost	48,289	49,268
Accumulated Depreciation	(15,231)	(15,310)
Net	$ 33,058	$ 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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