Operating Segments (Long-Lived Assets Based On Geographical Location) (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Jun. 30, 2015		Jun. 30, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 339,777	$ 322,634	[1]	$ 365,367	[1]
Long-lived assets increased by		27,400		23,300
South Africa [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	69,213	72,467	[1]	105,627	[1]
South Korea [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	221,459	230,109	[1]	253,147	[1]
Rest Of World [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 49,105	$ 20,058	[1]	$ 6,593	[1]

[1] As described in Note 1, during the year ended June 30, 2016, the Company identified a balance sheet misclassification between current assets and long-term assets. Long-lived assets for fiscal 2015 and 2014, have been restated, and have increased by $27.4 million and $23.3 million, respectively.