Goodwill And Intangible Assets (Schedule of Intangible Assets at Cost and Accumulated Amortization) (Detail) (USD $) In Millions, unless otherwise specified	Jun. 30, 2012	Jun. 30, 2011
Finite-Lived Intangible Assets [Line Items]
Original Cost	$ 241.2	$ 228.5
Accumulated Amortization	(97.9)	(81.3)
Intangible Assets, net	143.3	147.2
Software And Software Licenses [Member]
Finite-Lived Intangible Assets [Line Items]
Original Cost	123.8	120.8
Accumulated Amortization	(63.3)	(59.3)
Intangible Assets, net	60.5	61.5
Customer Contracts And Lists [Member]
Finite-Lived Intangible Assets [Line Items]
Original Cost	102.3	94.7
Accumulated Amortization	(29.5)	(19.5)
Intangible Assets, net	72.8	75.2
Other Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Original Cost	15.1	13.0
Accumulated Amortization	(5.1)	(2.5)
Intangible Assets, net	$ 10.0	$ 10.5