Accumulated Other Comprehensive Income (Loss) (Schedule Of Accumulated Other Comprehensive Income (Loss)) (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Investment In Affiliates [Line Items]
Currency translation adjustments	$ 9.1	$ 22.9	$ 2.2
Unrealized (gain) loss on available-for-sale securities	0.2	(2.1)
Pension and post-retirement liability adjustment, net of taxes of $2.3, $3.1 and $2.4 at June 30, 2012, 2011 and 2010, respectively	(5.8)	(4.7)	(3.6)
Pension and post-retirement liability adjustment, taxes	0.8	0.7	0.5
Accumulated other comprehensive income (loss)	$ 3.5	$ 16.1	$ (1.4)