Intangible Assets - Summary of intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Jun. 30, 2014
Finite-Lived Intangible Assets [Line Items]
Intangible assets	$ 548,341	$ 549,223
Less accumulated amortization	(328,565)	(318,813)
Total intangible assets, net	219,776	230,410
Customer contracts and related customer relationships
Finite-Lived Intangible Assets [Line Items]
Intangible assets	516,136	516,973
Less accumulated amortization	(300,768)	(291,583)
Acquired technologies
Finite-Lived Intangible Assets [Line Items]
Intangible assets	27,177	27,177
Less accumulated amortization	(23,675)	(23,119)
Covenants not to compete
Finite-Lived Intangible Assets [Line Items]
Intangible assets	3,439	3,472
Less accumulated amortization	(3,139)	(3,131)
Other
Finite-Lived Intangible Assets [Line Items]
Intangible assets	1,589	1,601
Less accumulated amortization	$ (983)	$ (980)