LONG TERM DEBT - Aggregate maturities of long-term debt (Details 3) - USD ($) $ in Thousands		Jun. 30, 2016	Jun. 30, 2015
Long-Term Debt [Abstract]
2017		$ 53,965
2018		53,965
2019		107,930
2020		1,256,973
Principal amount of long-term debt		1,472,833	$ 1,074,297
Less unamortized debt issuance costs	[1]	(16,789)	(10,733)
Total long-term debt		$ 1,456,044	$ 1,063,564

[1] Balance as of June 30, 2015 has been adjusted for the reclassification of debt issuance costs related to the adoption of ASU 2015-03. See Note 3 for additional information.