Consolidated Statements Of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 12,686	$ 31,328	$ 79,635	$ 67,117
Pre-tax amount
Foreign currency translation adjustments	37,868	14,630	80,065	(68,329)
Change in deferred gains (losses) on cash flow hedging instruments	0	(21)	(82)	(464)
Change in unrealized gain (loss) on available for sale investment	(68)	83	(70)	(6)
Total other comprehensive income (loss)	37,800	14,692	79,913	(68,799)
Tax (expense) benefit
Foreign currency translation adjustments	0	0	0	0
Change in deferred gains (losses) on cash flow hedging instruments	0	4	15	42
Change in unrealized gain (loss) on available for sale investment	(33)	(33)	(33)	(3)
Total other comprehensive income (loss)	(33)	(29)	(18)	39
After-tax amount
Foreign currency translation adjustments	37,868	14,630	80,065	(68,329)
Change in deferred gains (losses) on cash flow hedging instruments	0	(17)	(67)	(422)
Change in unrealized gain (loss) on available for sale investment	(101)	50	(103)	(9)
Net change in accumulated other comprehensive income (loss)	37,767	14,663	79,895	(68,760)
Total comprehensive income (loss)	$ 50,453	$ 45,991	$ 159,530	$ (1,643)