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Summary Of Significant Accounting Policies (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2009
Investment securities maturity period for consideration as cash equivalents, in days 90    
Subordinated note receivable with subsidiary $ 20.6    
Capitalized costs reflected in Other non-current assets 125.8    
Investment in subsidiary 8.8    
Change in estimates of projected future variables that has no impact on reported value of goodwill, percentage 10.00%    
Inventory 9.4    
Advertising costs $ 3.0 $ 1.9 $ 2.7
Maximum [Member]
     
Amortization period for capitalized software 5    
Minimum [Member]
     
Amortization period for capitalized software 3    
Equipment [Member]
     
Equipment, furniture and fixtures, estimated useful lives (years), minimum 3    
Equipment, furniture and fixtures, estimated useful lives (years), maximum 5    
Buildings [Member]
     
Buildings, estimated useful live (years) 10    
Furniture And Fixtures [Member]
     
Equipment, furniture and fixtures, estimated useful lives (years), minimum 3    
Equipment, furniture and fixtures, estimated useful lives (years), maximum 7