Amount due based upon the occurrence of an event specified in the contractual terms.

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Maximum contractual interest rate for funds borrowed, under the debt agreement.

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The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

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Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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Commitments And Contingencies (Narrative) (Details) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2014 USD ($)	Jun. 30, 2013 USD ($)	Jun. 30, 2012 USD ($)	Jun. 30, 2014 Guarantee [Member] USD ($)	Jun. 30, 2014 Guarantee [Member] ZAR	Jun. 30, 2014 Nedbank [Member] Guarantee [Member] USD ($)	Jun. 30, 2014 Nedbank [Member] Guarantee [Member] ZAR
Guarantor Obligations [Line Items]
Operating lease payments	$ 7.5	$ 15.9	$ 7.5
Capital commitments	0.2	0.3
Guarantee amount				11.8	125.0	12.8	135.1
Purchase obligations	5.5	3.9
Maximum payment amount under guarantee				$ 12.8	135.1
Charge rate, minimum				0.20%	0.20%
Charge rate, maximum				2.00%	2.00%