Property and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Jun. 30, 2018
Property, Plant and Equipment [Line Items]
Cost	$ 585,173	$ 588,301
Accumulated Depreciation	(338,673)	(324,096)
Net	246,500	264,205
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Cost	36,481	34,647
Accumulated Depreciation	(22,085)	(21,488)
Net	14,396	13,159
Office equipment
Property, Plant and Equipment [Line Items]
Cost	1,809	1,467
Accumulated Depreciation	(722)	(687)
Net	1,087	780
Computer hardware
Property, Plant and Equipment [Line Items]
Cost	207,047	207,381
Accumulated Depreciation	(142,033)	(134,906)
Net	65,014	72,475
Computer software
Property, Plant and Equipment [Line Items]
Cost	98,492	97,653
Accumulated Depreciation	(63,220)	(59,485)
Net	35,272	38,168
Capitalized software development costs
Property, Plant and Equipment [Line Items]
Cost	84,402	81,073
Accumulated Depreciation	(45,074)	(41,556)
Net	39,328	39,517
Leasehold improvements
Property, Plant and Equipment [Line Items]
Cost	109,145	118,200
Accumulated Depreciation	(54,385)	(55,172)
Net	54,760	63,028
Land and buildings
Property, Plant and Equipment [Line Items]
Cost	47,797	47,880
Accumulated Depreciation	(11,154)	(10,802)
Net	$ 36,643	$ 37,078

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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