Intangible Assets - Summary of Intangible Assets (Detail) - USD ($) $ in Thousands	Sep. 30, 2016	Jun. 30, 2016
Finite Lived Intangible Assets [Line Items]
Intangible assets	$ 668,292	$ 668,772
Less accumulated amortization	(403,736)	(393,400)
Total intangible assets, net	264,556	275,372
Customer contracts and related customer relationships
Finite Lived Intangible Assets [Line Items]
Intangible assets	635,397	635,826
Less accumulated amortization	(373,521)	(363,412)
Acquired technologies
Finite Lived Intangible Assets [Line Items]
Intangible assets	28,046	28,074
Less accumulated amortization	(25,913)	(25,693)
Covenants not to compete
Finite Lived Intangible Assets [Line Items]
Intangible assets	3,304	3,321
Less accumulated amortization	(3,242)	(3,245)
Other
Finite Lived Intangible Assets [Line Items]
Intangible assets	1,545	1,551
Less accumulated amortization	$ (1,060)	$ (1,050)