Consolidated Statements of Comprehensive Income (Loss) Statement - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 67,430	$ 47,429	$ 164,962
Pre-tax amount
Foreign currency translation adjustments	(22,951)	(129,874)	(106,790)
Change in deferred gains (losses) on cash flow hedging instruments	(411)	(788)	2,093
Change in unrealized gain (loss) on available for sale investment	(53)	(129)	(1,575)
Total other comprehensive (loss) income	(23,415)	(130,791)	(106,272)
Tax (expense) benefit
Foreign currency translation adjustments	0	0	4,416
Change in deferred gains (losses) on cash flow hedging instruments	32	261	(512)
Change in unrealized gain (loss) on available for sale investment	15	50	669
Total other comprehensive (loss) income	47	311	4,573
After-tax amount
Foreign currency translation adjustments	(22,951)	(129,874)	(102,374)
Change in deferred gains (losses) on cash flow hedging instruments	(379)	(527)	1,581
Change in unrealized gain (loss) on available for sale investment	(38)	(79)	(906)
Total other comprehensive (loss) income	(23,368)	(130,480)	(101,699)
Total comprehensive income (loss)	$ 44,062	$ (83,051)	$ 63,263