Consolidated Statements Of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 27,185	$ 58,080	$ 35,789	$ 87,238
Pre-tax amount
Foreign currency translation adjustments, before tax	(51,222)	(25,655)	(82,958)	(65,587)
Change in deferred gains (losses) on cash flow hedging instruments, before tax	(13)	(418)	(443)	1,322
Change in unrealized gain (loss) on available for sale investment, before tax	(32)	39	(89)	(216)
Total other comprehensive income (loss), before tax	(51,267)	(26,034)	(83,490)	(64,481)
Tax (expense) benefit
Foreign currency translation adjustments, tax	0	0	0	0
Change in deferred gains (losses) on cash flow hedging instruments tax	3	122	38	(277)
Change in unrealized gain (loss) on available for sale investment, tax	13	(15)	30	84
Total other comprehensive income (loss), tax	16	107	68	(193)
Other comprehensive income (loss):
Foreign currency translation adjustments, net of tax	(51,222)	(25,655)	(82,958)	(65,587)
Change in deferred gains (losses) on cash flow hedging instruments, net of tax	(10)	(296)	(405)	1,045
Change in unrealized gain (loss) on available for sale investment, net of tax	(19)	24	(59)	(132)
Net change in accumulated other comprehensive loss	(51,251)	(25,927)	(83,422)	(64,674)
Total comprehensive (loss) income	$ (24,066)	$ 32,153	$ (47,633)	$ 22,564