Income Taxes (Components Of Provision For Income Taxes) (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Income Loss From Operations Before Provision Benefit For Income Taxes [Line Items]
Current, U.S. Domestic	$ 53.3	$ 56.3	$ 76.5
Current, Foreign	22.0	22.9	28.1
Current, State	9.0	5.9	9.0
Total current	84.3	85.1	113.6
Deferred, U.S. Domestic	(5.2)	20.0	0.6
Deferred, Foreign	(1.1)	(1.5)	0.9
Deferred, State	(2.1)	(5.7)	1.9
Total deferred	(8.4)	12.8	3.4
Total provision for income taxes	$ 75.9	$ 97.9	$ 117.0