PROPERTY AND EQUIPMENT (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Jun. 30, 2021
Property, Plant and Equipment [Line Items]
Cost	$ 832,740	$ 767,600
Accumulated Depreciation	(588,031)	(534,005)
Net	244,709	233,595
Furniture, equipment and other
Property, Plant and Equipment [Line Items]
Cost	52,381	41,074
Accumulated Depreciation	(39,643)	(33,744)
Net	12,738	7,330
Computer hardware
Property, Plant and Equipment [Line Items]
Cost	332,462	313,946
Accumulated Depreciation	(226,341)	(212,448)
Net	106,121	101,498
Computer software
Property, Plant and Equipment [Line Items]
Cost	142,094	129,690
Accumulated Depreciation	(117,026)	(104,654)
Net	25,068	25,036
Capitalized software development costs
Property, Plant and Equipment [Line Items]
Cost	149,053	127,697
Accumulated Depreciation	(101,874)	(86,466)
Net	47,179	41,231
Leasehold improvements
Property, Plant and Equipment [Line Items]
Cost	107,739	106,656
Accumulated Depreciation	(86,514)	(81,135)
Net	21,225	25,521
Land and buildings
Property, Plant and Equipment [Line Items]
Cost	49,011	48,537
Accumulated Depreciation	(16,633)	(15,558)
Net	$ 32,378	$ 32,979