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Commitments And Contingencies (Details)
In Millions, unless otherwise specified
9 Months Ended
Mar. 31, 2014
USD ($)
Mar. 31, 2014
ZAR
Mar. 31, 2014
Guarantee [Member]
Guarantor Obligations [Line Items]      
Charge rate, minimum     0.20%
Charge rate, maximum     2.00%
Short-term credit facility utilized $ 13.5 143.1  
Maximum payment amount under guarantee $ 13.5 143.1