Operating Segments (Long-Lived Assets Based On Geographical Location) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	$ 342,050	$ 339,123	$ 371,491
South Africa [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	105,627	117,858	140,308
South Korea [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	229,830	213,589	224,272
Rest Of World [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	$ 6,593	$ 7,676	$ 6,911