Profit On Liquidation Of SmartSwitch Nigeria (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Jun. 30, 2012
Profit On Liquidation Of SmartSwitch Nigeria [Abstract]
Non-cash profit on liquidation of operating segment	$ 4.0

Amount of gain (loss), after tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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