INTANGIBLE ASSETS - Summary of intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Jun. 30, 2015
Intangible assets
Intangible assets	$ 668,772	$ 552,388
Less accumulated amortization
Accumulated amortization	(393,400)	(357,206)
Total intangible assets, net	275,372	195,182
Customer contracts and related customer relationships
Intangible assets
Intangible assets	635,826	520,213
Less accumulated amortization
Accumulated amortization	(363,412)	(328,217)
Acquired technologies
Intangible assets
Intangible assets	28,074	27,177
Less accumulated amortization
Accumulated amortization	(25,693)	(24,728)
Covenants not to compete
Intangible assets
Intangible assets	3,321	3,417
Less accumulated amortization
Accumulated amortization	(3,245)	(3,241)
Other
Intangible assets
Intangible assets	1,551	1,581
Less accumulated amortization
Accumulated amortization	$ (1,050)	$ (1,020)