Goodwill and Intangible Assets, Net - Components Of Intangible Assets (Details) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2015
Jun. 30, 2014
Finite-Lived Intangible Assets [Line Items]    
Original Cost $ 354.7 $ 359.1
Accumulated Amortization (251.6) (225.3)
Intangible Assets, net 103.1 133.8
Software    
Finite-Lived Intangible Assets [Line Items]    
Original Cost 110.3 103.9
Accumulated Amortization (94.0) (87.4)
Intangible Assets, net 16.3 16.5
Client lists    
Finite-Lived Intangible Assets [Line Items]    
Original Cost 215.0 222.1
Accumulated Amortization (131.4) (124.5)
Intangible Assets, net 83.6 97.6
Trademarks    
Finite-Lived Intangible Assets [Line Items]    
Original Cost 27.0 27.1
Accumulated Amortization (23.8) (7.4)
Intangible Assets, net 3.2 19.7
Other intangibles    
Finite-Lived Intangible Assets [Line Items]    
Original Cost 2.4 6.0
Accumulated Amortization (2.4) (6.0)
Intangible Assets, net $ 0 $ 0