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Income Taxes (Details) (USD $)
In Millions
3 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Jun. 30, 2011
Interest recognized$ 1.5$ 1.8 
Penalty recognized (reversed)00 
Accrued interest11.8 10.3
Accrued penalties15.6 15.8
Increase (decrease) in gross unrecognized tax benefit in next 12 months0.1  
Acquisition Of Global 360 [Member]
   
Accrued interest0.1  
Accrued penalties$ 0