Income Taxes - Effective Tax Rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Income (Loss) Before Income Taxes
United States	$ 57,109	$ (23,055)	$ (228,667)
International	217,932	104,930	30,096
Total income (loss) before income taxes	275,041	81,875	(198,571)
Current Income Taxes
Federal	3,755	(1,455)	(15,039)
State	(816)	172	454
International	44,127	24,911	31,570
Total Current Income Taxes	47,066	23,628	16,985
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Federal	1,121	298	6,786
State	3,552	(867)	8,407
International	18,242	6,836	(6,865)
Total deferred income taxes	22,915	6,267	8,328
Provision for income taxes	$ 69,981	$ 29,895	$ 25,313
Effective tax rate	25.40%	36.50%	(12.70%)