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Commitments And Contingencies (Details) (USD $)
In Millions, except Per Share data
12 Months Ended
Jun. 30, 2010
Jun. 30, 2009
Jun. 30, 2008
Jan. 14, 2008
Commitments And Contingencies        
Adverse effect on earnings per share resulting from changing sales forecasts       $ 1.00
Costs relating to delayed delivery of product $ 5.8 $ 11.7 $ 9.2