CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (unaudited) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Mar. 31, 2018	[1]	Mar. 31, 2017	Mar. 31, 2018	[1]	Mar. 31, 2017
Statement of Comprehensive (loss) Income [Abstract]
Net (loss) income	$ (267,985)		$ 5,588	$ (281,395)		$ 9,409
Other comprehensive (loss) income:
Foreign currency translation adjustments	1,941		947	5,167		(2,201)
Change in fair value of interest rate swaps	1,138		(249)	2,120		(249)
Comprehensive (loss) income	$ (264,906)		$ 6,286	$ (274,108)		$ 6,959

[1] (as restated)