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Commitments And Contingencies (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Commitments And Contingencies [Abstract]
Operating lease payments	$ 7.5	$ 7.0	$ 5.2
Capital commitments	5.0	0.4
Purchase obligations	$ 5.0	$ 1.9

Amount of the recorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts).

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