Income Taxes - Reconciliation of the Reserve For Uncertain Tax Positions (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Reconciliation of the reserve for uncertain tax positions
Uncertain tax positions, beginning of year	$ 19,870	$ 21,193	$ 22,031
Gross increases—tax positions in prior period	67	238	112
Gross increases—tax positions in current period	5,474	0	0
Gross decreases—lapse of statutes	(1,772)	(1,024)	(823)
Currency translation adjustment	(104)	(537)	(127)
Uncertain tax positions, end of year	$ 23,535	$ 19,870	$ 21,193