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Income Taxes (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Jun. 30, 2013
Income Taxes  
Unrecognized tax position, including accrued interest and penalties $ 0.8
Accrued interest and penalties 0.1
Settlement with taxing authority
 
Unrecognized tax positions  
Unrecognized tax positions expected to be resolved $ 0.4
Unrecognized tax positions expected to be resolved 12 months