Other Expenses, Net (Components Of Other Expenses, Net) (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Interest Income And Other Income Net [Line Items]
Interest expense on borrowings	$ 13.3	$ 9.9	$ 9.8
Interest income	(1.8)	(2.2)	(0.7)
Foreign currency exchange loss (gain)	0.3	1.7	(1.0)
Other, net	1.6	0.7	1.0
Other expenses, net	$ 13.4	$ 10.1	$ 9.1