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Significant Accounting Policies (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2009
Significant Accounting Policies      
Goodwill impairment $ 0 $ 0 $ 0
Impairment of long-lived Assets $ 0 $ 0.3 $ 0
Allowance maintained for accounts deemed to be uncollectable 100.00%    
Customer accounted for more than 10% accounts receivable 0 0