SEGMENT INFORMATION - Schedule of Revenues and Property and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Total revenues and long-lived assets associated with business operations
Total Revenues	$ 447,707	$ 442,565	$ 450,467	$ 450,130	$ 462,889	$ 453,960	$ 455,887	$ 464,551	$ 1,790,869	$ 1,837,287	$ 1,892,437
Property and Equipment, Net	183,321				218,157				183,321	218,157	266,538
U.S.
Total revenues and long-lived assets associated with business operations
Total Revenues									1,563,023	1,585,672	1,626,794
Property and Equipment, Net	167,613				198,471				167,613	198,471	240,460
Other countries
Total revenues and long-lived assets associated with business operations
Total Revenues									227,846	251,615	265,643
Property and Equipment, Net	$ 15,708				$ 19,686				$ 15,708	$ 19,686	$ 26,078