Supplemental Cash Flow Information (Cash Flow Movements If Cash Had Been Transferred) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Other Significant Noncash Transactions [Line Items]
Issue of shares of the Company's common stock to BEE partners	$ 198	$ 240
Purchase of shares from BEE partners			(1,129)
Black Economic Empowerment [Member] | If Cash Had Actually Flowed Between The Parties [Member]
Other Significant Noncash Transactions [Line Items]
Loans provided to BEE partners	(25,054)
Loans repaid by BEE partners	24,574
Issue of shares of the Company's common stock to BEE partners	25,054
Purchase of shares from BEE partners	$ (24,858)