Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 9,694	$ 67,430	$ 47,429
Pre-tax amount
Foreign currency translation adjustments	11,497	(22,951)	(129,874)
Change in deferred gains (losses) on cash flow hedging instruments	(82)	(411)	(788)
Change in unrealized gain (loss) on available for sale investment	(190)	(53)	(129)
Total other comprehensive income (loss)	11,225	(23,415)	(130,791)
Tax (expense) benefit
Foreign currency translation adjustments	0	0	0
Change in deferred gains (losses) on cash flow hedging instruments	15	32	261
Change in unrealized gain (loss) on available for sale investment	(1)	15	50
Total other comprehensive income (loss)	14	47	311
After-tax amount
Foreign currency translation adjustments	11,497	(22,951)	(129,874)
Change in deferred gains (losses) on cash flow hedging instruments	(67)	(379)	(527)
Change in unrealized gain (loss) on available for sale investment	(191)	(38)	(79)
Total other comprehensive income (loss)	11,239	(23,368)	(130,480)
Total comprehensive income (loss)	$ 20,933	$ 44,062	$ (83,051)